21524750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 44815680

約数和(自身を除く): 23290930

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 125, 130, 179, 185, 250, 325, 358, 370, 481, 650, 895, 925, 962, 1625, 1790, 1850, 2327, 2405, 3250, 4475, 4625, 4654, 4810, 6623, 8950, 9250, 11635, 12025, 13246, 22375, 23270, 24050, 33115, 44750, 58175, 60125, 66230, 86099, 116350, 120250, 165575, 172198, 290875, 331150, 430495, 581750, 827875, 860990, 1655750, 2152475, 4304950, 10762375, 21524750]

約数ペア:

[(1, 21524750), (2, 10762375), (5, 4304950), (10, 2152475), (13, 1655750), (25, 860990), (26, 827875), (37, 581750), (50, 430495), (65, 331150), (74, 290875), (125, 172198), (130, 165575), (179, 120250), (185, 116350), (250, 86099), (325, 66230), (358, 60125), (370, 58175), (481, 44750), (650, 33115), (895, 24050), (925, 23270), (962, 22375), (1625, 13246), (1790, 12025), (1850, 11635), (2327, 9250), (2405, 8950), (3250, 6623), (4475, 4810), (4625, 4654)]