21419684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37447}}^1$

素因数の和:37475

約数の個数: 24

約数和(自身を含む): 44038848

約数和(自身を除く): 22619164

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37447, 74894, 149788, 411917, 486811, 823834, 973622, 1647668, 1947244, 5354921, 10709842, 21419684]

約数ペア:

[(1, 21419684), (2, 10709842), (4, 5354921), (11, 1947244), (13, 1647668), (22, 973622), (26, 823834), (44, 486811), (52, 411917), (143, 149788), (286, 74894), (572, 37447)]