21435876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:95

約数の個数: 216

約数和(自身を含む): 73586240

約数和(自身を除く): 52150364

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 37, 38, 42, 44, 57, 63, 66, 74, 76, 77, 84, 99, 111, 114, 121, 126, 132, 133, 148, 154, 171, 198, 209, 222, 228, 231, 242, 252, 259, 266, 308, 333, 342, 363, 396, 399, 407, 418, 444, 462, 484, 518, 532, 627, 666, 684, 693, 703, 726, 777, 798, 814, 836, 847, 924, 1036, 1089, 1197, 1221, 1254, 1332, 1386, 1406, 1452, 1463, 1554, 1596, 1628, 1694, 1881, 2109, 2178, 2299, 2331, 2394, 2442, 2508, 2541, 2772, 2812, 2849, 2926, 3108, 3388, 3663, 3762, 4218, 4356, 4389, 4477, 4598, 4662, 4788, 4884, 4921, 5082, 5698, 5852, 6327, 6897, 7326, 7524, 7623, 7733, 8436, 8547, 8778, 8954, 9196, 9324, 9842, 10164, 11396, 12654, 13167, 13431, 13794, 14652, 14763, 15246, 15466, 16093, 17094, 17556, 17908, 19684, 20691, 23199, 25308, 25641, 26334, 26862, 27588, 29526, 30492, 30932, 31339, 32186, 34188, 40293, 41382, 44289, 46398, 48279, 51282, 52668, 53724, 54131, 59052, 62678, 64372, 69597, 80586, 82764, 85063, 88578, 92796, 94017, 96558, 102564, 108262, 125356, 139194, 144837, 161172, 162393, 170126, 177156, 188034, 193116, 216524, 255189, 278388, 282051, 289674, 324786, 340252, 376068, 487179, 510378, 564102, 579348, 595441, 649572, 765567, 974358, 1020756, 1128204, 1190882, 1531134, 1786323, 1948716, 2381764, 3062268, 3572646, 5358969, 7145292, 10717938, 21435876]

約数ペア:

[(1, 21435876), (2, 10717938), (3, 7145292), (4, 5358969), (6, 3572646), (7, 3062268), (9, 2381764), (11, 1948716), (12, 1786323), (14, 1531134), (18, 1190882), (19, 1128204), (21, 1020756), (22, 974358), (28, 765567), (33, 649572), (36, 595441), (37, 579348), (38, 564102), (42, 510378), (44, 487179), (57, 376068), (63, 340252), (66, 324786), (74, 289674), (76, 282051), (77, 278388), (84, 255189), (99, 216524), (111, 193116), (114, 188034), (121, 177156), (126, 170126), (132, 162393), (133, 161172), (148, 144837), (154, 139194), (171, 125356), (198, 108262), (209, 102564), (222, 96558), (228, 94017), (231, 92796), (242, 88578), (252, 85063), (259, 82764), (266, 80586), (308, 69597), (333, 64372), (342, 62678), (363, 59052), (396, 54131), (399, 53724), (407, 52668), (418, 51282), (444, 48279), (462, 46398), (484, 44289), (518, 41382), (532, 40293), (627, 34188), (666, 32186), (684, 31339), (693, 30932), (703, 30492), (726, 29526), (777, 27588), (798, 26862), (814, 26334), (836, 25641), (847, 25308), (924, 23199), (1036, 20691), (1089, 19684), (1197, 17908), (1221, 17556), (1254, 17094), (1332, 16093), (1386, 15466), (1406, 15246), (1452, 14763), (1463, 14652), (1554, 13794), (1596, 13431), (1628, 13167), (1694, 12654), (1881, 11396), (2109, 10164), (2178, 9842), (2299, 9324), (2331, 9196), (2394, 8954), (2442, 8778), (2508, 8547), (2541, 8436), (2772, 7733), (2812, 7623), (2849, 7524), (2926, 7326), (3108, 6897), (3388, 6327), (3663, 5852), (3762, 5698), (4218, 5082), (4356, 4921), (4389, 4884), (4477, 4788), (4598, 4662)]