21306073700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{5399}}^1$

素因数の和:5530

約数の個数: 144

約数和(自身を含む): 50996736000

約数和(自身を除く): 29690662300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 67, 76, 95, 100, 124, 134, 155, 190, 268, 310, 335, 380, 475, 589, 620, 670, 775, 950, 1178, 1273, 1340, 1550, 1675, 1900, 2077, 2356, 2546, 2945, 3100, 3350, 4154, 5092, 5399, 5890, 6365, 6700, 8308, 10385, 10798, 11780, 12730, 14725, 20770, 21596, 25460, 26995, 29450, 31825, 39463, 41540, 51925, 53990, 58900, 63650, 78926, 102581, 103850, 107980, 127300, 134975, 157852, 167369, 197315, 205162, 207700, 269950, 334738, 361733, 394630, 410324, 512905, 539900, 669476, 723466, 789260, 836845, 986575, 1025810, 1446932, 1673690, 1808665, 1973150, 2051620, 2564525, 3180011, 3347380, 3617330, 3946300, 4184225, 5129050, 6360022, 6872927, 7234660, 8368450, 9043325, 10258100, 11213723, 12720044, 13745854, 15900055, 16736900, 18086650, 22427446, 27491708, 31800110, 34364635, 36173300, 44854892, 56068615, 63600220, 68729270, 79500275, 112137230, 137458540, 159000550, 171823175, 213060737, 224274460, 280343075, 318001100, 343646350, 426121474, 560686150, 687292700, 852242948, 1065303685, 1121372300, 2130607370, 4261214740, 5326518425, 10653036850, 21306073700]

約数ペア:

[(1, 21306073700), (2, 10653036850), (4, 5326518425), (5, 4261214740), (10, 2130607370), (19, 1121372300), (20, 1065303685), (25, 852242948), (31, 687292700), (38, 560686150), (50, 426121474), (62, 343646350), (67, 318001100), (76, 280343075), (95, 224274460), (100, 213060737), (124, 171823175), (134, 159000550), (155, 137458540), (190, 112137230), (268, 79500275), (310, 68729270), (335, 63600220), (380, 56068615), (475, 44854892), (589, 36173300), (620, 34364635), (670, 31800110), (775, 27491708), (950, 22427446), (1178, 18086650), (1273, 16736900), (1340, 15900055), (1550, 13745854), (1675, 12720044), (1900, 11213723), (2077, 10258100), (2356, 9043325), (2546, 8368450), (2945, 7234660), (3100, 6872927), (3350, 6360022), (4154, 5129050), (5092, 4184225), (5399, 3946300), (5890, 3617330), (6365, 3347380), (6700, 3180011), (8308, 2564525), (10385, 2051620), (10798, 1973150), (11780, 1808665), (12730, 1673690), (14725, 1446932), (20770, 1025810), (21596, 986575), (25460, 836845), (26995, 789260), (29450, 723466), (31825, 669476), (39463, 539900), (41540, 512905), (51925, 410324), (53990, 394630), (58900, 361733), (63650, 334738), (78926, 269950), (102581, 207700), (103850, 205162), (107980, 197315), (127300, 167369), (134975, 157852)]