21341250

素因数分解:

$2^1\times 3^2\times 5^4\times 7^1\times {\mathrm{271}}^1$

素因数の和:306

約数の個数: 120

約数和(自身を含む): 66278784

約数和(自身を除く): 44937534

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 125, 126, 150, 175, 210, 225, 250, 271, 315, 350, 375, 450, 525, 542, 625, 630, 750, 813, 875, 1050, 1125, 1250, 1355, 1575, 1626, 1750, 1875, 1897, 2250, 2439, 2625, 2710, 3150, 3750, 3794, 4065, 4375, 4878, 5250, 5625, 5691, 6775, 7875, 8130, 8750, 9485, 11250, 11382, 12195, 13125, 13550, 15750, 17073, 18970, 20325, 24390, 26250, 28455, 33875, 34146, 39375, 40650, 47425, 56910, 60975, 67750, 78750, 85365, 94850, 101625, 121950, 142275, 169375, 170730, 203250, 237125, 284550, 304875, 338750, 426825, 474250, 508125, 609750, 711375, 853650, 1016250, 1185625, 1422750, 1524375, 2134125, 2371250, 3048750, 3556875, 4268250, 7113750, 10670625, 21341250]

約数ペア:

[(1, 21341250), (2, 10670625), (3, 7113750), (5, 4268250), (6, 3556875), (7, 3048750), (9, 2371250), (10, 2134125), (14, 1524375), (15, 1422750), (18, 1185625), (21, 1016250), (25, 853650), (30, 711375), (35, 609750), (42, 508125), (45, 474250), (50, 426825), (63, 338750), (70, 304875), (75, 284550), (90, 237125), (105, 203250), (125, 170730), (126, 169375), (150, 142275), (175, 121950), (210, 101625), (225, 94850), (250, 85365), (271, 78750), (315, 67750), (350, 60975), (375, 56910), (450, 47425), (525, 40650), (542, 39375), (625, 34146), (630, 33875), (750, 28455), (813, 26250), (875, 24390), (1050, 20325), (1125, 18970), (1250, 17073), (1355, 15750), (1575, 13550), (1626, 13125), (1750, 12195), (1875, 11382), (1897, 11250), (2250, 9485), (2439, 8750), (2625, 8130), (2710, 7875), (3150, 6775), (3750, 5691), (3794, 5625), (4065, 5250), (4375, 4878)]