21000331774

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1559}}^1\times {\mathrm{2693}}^1$

素因数の和:4356

約数の個数: 32

約数和(自身を含む): 32831023680

約数和(自身を除く): 11830691906

約数列:

[1, 2, 41, 61, 82, 122, 1559, 2501, 2693, 3118, 5002, 5386, 63919, 95099, 110413, 127838, 164273, 190198, 220826, 328546, 3899059, 4198387, 6735193, 7798118, 8396774, 13470386, 172133867, 256101607, 344267734, 512203214, 10500165887, 21000331774]

約数ペア:

[(1, 21000331774), (2, 10500165887), (41, 512203214), (61, 344267734), (82, 256101607), (122, 172133867), (1559, 13470386), (2501, 8396774), (2693, 7798118), (3118, 6735193), (5002, 4198387), (5386, 3899059), (63919, 328546), (95099, 220826), (110413, 190198), (127838, 164273)]