21976830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7877}}^1$

素因数の和:7921

約数の個数: 48

約数和(自身を含む): 58990464

約数和(自身を除く): 37013634

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7877, 15754, 23631, 39385, 47262, 70893, 78770, 118155, 141786, 236310, 244187, 354465, 488374, 708930, 732561, 1220935, 1465122, 2197683, 2441870, 3662805, 4395366, 7325610, 10988415, 21976830]

約数ペア:

[(1, 21976830), (2, 10988415), (3, 7325610), (5, 4395366), (6, 3662805), (9, 2441870), (10, 2197683), (15, 1465122), (18, 1220935), (30, 732561), (31, 708930), (45, 488374), (62, 354465), (90, 244187), (93, 236310), (155, 141786), (186, 118155), (279, 78770), (310, 70893), (465, 47262), (558, 39385), (930, 23631), (1395, 15754), (2790, 7877)]