21810750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2237}}^1$

素因数の和:2270

約数の個数: 64

約数和(自身を含む): 58653504

約数和(自身を除く): 36842754

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 975, 1625, 1950, 2237, 3250, 4474, 4875, 6711, 9750, 11185, 13422, 22370, 29081, 33555, 55925, 58162, 67110, 87243, 111850, 145405, 167775, 174486, 279625, 290810, 335550, 436215, 559250, 727025, 838875, 872430, 1454050, 1677750, 2181075, 3635125, 4362150, 7270250, 10905375, 21810750]

約数ペア:

[(1, 21810750), (2, 10905375), (3, 7270250), (5, 4362150), (6, 3635125), (10, 2181075), (13, 1677750), (15, 1454050), (25, 872430), (26, 838875), (30, 727025), (39, 559250), (50, 436215), (65, 335550), (75, 290810), (78, 279625), (125, 174486), (130, 167775), (150, 145405), (195, 111850), (250, 87243), (325, 67110), (375, 58162), (390, 55925), (650, 33555), (750, 29081), (975, 22370), (1625, 13422), (1950, 11185), (2237, 9750), (3250, 6711), (4474, 4875)]