21071581380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1\times {\mathrm{431}}^1$

素因数の和:848

約数の個数: 240

約数和(自身を含む): 67127284224

約数和(自身を除く): 46055702844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 103, 108, 135, 162, 180, 206, 270, 293, 309, 324, 405, 412, 431, 515, 540, 586, 618, 810, 862, 879, 927, 1030, 1172, 1236, 1293, 1465, 1545, 1620, 1724, 1758, 1854, 2060, 2155, 2586, 2637, 2781, 2930, 3090, 3516, 3708, 3879, 4310, 4395, 4635, 5172, 5274, 5562, 5860, 6180, 6465, 7758, 7911, 8343, 8620, 8790, 9270, 10548, 11124, 11637, 12930, 13185, 13905, 15516, 15822, 16686, 17580, 18540, 19395, 23274, 23733, 25860, 26370, 27810, 30179, 31644, 33372, 34911, 38790, 39555, 41715, 44393, 46548, 47466, 52740, 55620, 58185, 60358, 69822, 77580, 79110, 83430, 88786, 90537, 94932, 116370, 118665, 120716, 126283, 133179, 139644, 150895, 158220, 166860, 174555, 177572, 181074, 221965, 232740, 237330, 252566, 266358, 271611, 301790, 349110, 362148, 378849, 399537, 443930, 452685, 474660, 505132, 532716, 543222, 603580, 631415, 665895, 698220, 757698, 799074, 814833, 887860, 905370, 1086444, 1136547, 1198611, 1262830, 1331790, 1358055, 1515396, 1598148, 1629666, 1810740, 1894245, 1997685, 2273094, 2397222, 2444499, 2525660, 2663580, 2716110, 3259332, 3409641, 3595833, 3788490, 3995370, 4074165, 4546188, 4794444, 4888998, 5432220, 5682735, 5993055, 6819282, 7191666, 7576980, 7990740, 8148330, 9777996, 10228923, 11365470, 11986110, 12222495, 13007149, 13638564, 14383332, 16296660, 17048205, 17979165, 20457846, 22730940, 23972220, 24444990, 26014298, 34096410, 35958330, 39021447, 40915692, 48889980, 51144615, 52028596, 65035745, 68192820, 71916660, 78042894, 102289230, 117064341, 130071490, 156085788, 195107235, 204578460, 234128682, 260142980, 351193023, 390214470, 468257364, 585321705, 702386046, 780428940, 1053579069, 1170643410, 1404772092, 1755965115, 2107158138, 2341286820, 3511930230, 4214316276, 5267895345, 7023860460, 10535790690, 21071581380]

約数ペア:

[(1, 21071581380), (2, 10535790690), (3, 7023860460), (4, 5267895345), (5, 4214316276), (6, 3511930230), (9, 2341286820), (10, 2107158138), (12, 1755965115), (15, 1404772092), (18, 1170643410), (20, 1053579069), (27, 780428940), (30, 702386046), (36, 585321705), (45, 468257364), (54, 390214470), (60, 351193023), (81, 260142980), (90, 234128682), (103, 204578460), (108, 195107235), (135, 156085788), (162, 130071490), (180, 117064341), (206, 102289230), (270, 78042894), (293, 71916660), (309, 68192820), (324, 65035745), (405, 52028596), (412, 51144615), (431, 48889980), (515, 40915692), (540, 39021447), (586, 35958330), (618, 34096410), (810, 26014298), (862, 24444990), (879, 23972220), (927, 22730940), (1030, 20457846), (1172, 17979165), (1236, 17048205), (1293, 16296660), (1465, 14383332), (1545, 13638564), (1620, 13007149), (1724, 12222495), (1758, 11986110), (1854, 11365470), (2060, 10228923), (2155, 9777996), (2586, 8148330), (2637, 7990740), (2781, 7576980), (2930, 7191666), (3090, 6819282), (3516, 5993055), (3708, 5682735), (3879, 5432220), (4310, 4888998), (4395, 4794444), (4635, 4546188), (5172, 4074165), (5274, 3995370), (5562, 3788490), (5860, 3595833), (6180, 3409641), (6465, 3259332), (7758, 2716110), (7911, 2663580), (8343, 2525660), (8620, 2444499), (8790, 2397222), (9270, 2273094), (10548, 1997685), (11124, 1894245), (11637, 1810740), (12930, 1629666), (13185, 1598148), (13905, 1515396), (15516, 1358055), (15822, 1331790), (16686, 1262830), (17580, 1198611), (18540, 1136547), (19395, 1086444), (23274, 905370), (23733, 887860), (25860, 814833), (26370, 799074), (27810, 757698), (30179, 698220), (31644, 665895), (33372, 631415), (34911, 603580), (38790, 543222), (39555, 532716), (41715, 505132), (44393, 474660), (46548, 452685), (47466, 443930), (52740, 399537), (55620, 378849), (58185, 362148), (60358, 349110), (69822, 301790), (77580, 271611), (79110, 266358), (83430, 252566), (88786, 237330), (90537, 232740), (94932, 221965), (116370, 181074), (118665, 177572), (120716, 174555), (126283, 166860), (133179, 158220), (139644, 150895)]