21563230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4483}}^1$

素因数の和:4540

約数の個数: 32

約数和(自身を含む): 42938784

約数和(自身を除く): 21375554

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4483, 4810, 8966, 22415, 44830, 58279, 116558, 165871, 291395, 331742, 582790, 829355, 1658710, 2156323, 4312646, 10781615, 21563230]

約数ペア:

[(1, 21563230), (2, 10781615), (5, 4312646), (10, 2156323), (13, 1658710), (26, 829355), (37, 582790), (65, 331742), (74, 291395), (130, 165871), (185, 116558), (370, 58279), (481, 44830), (962, 22415), (2405, 8966), (4483, 4810)]