21000751910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2945407}}^1$

素因数の和:2945468

約数の個数: 32

約数和(自身を含む): 40717320192

約数和(自身を除く): 19716568282

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 3565, 7130, 2945407, 5890814, 14727035, 29454070, 67744361, 91307617, 135488722, 182615234, 338721805, 456538085, 677443610, 913076170, 2100075191, 4200150382, 10500375955, 21000751910]

約数ペア:

[(1, 21000751910), (2, 10500375955), (5, 4200150382), (10, 2100075191), (23, 913076170), (31, 677443610), (46, 456538085), (62, 338721805), (115, 182615234), (155, 135488722), (230, 91307617), (310, 67744361), (713, 29454070), (1426, 14727035), (3565, 5890814), (7130, 2945407)]