21000724734

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{1151}}^1\times {\mathrm{276449}}^1$

素因数の和:277616

約数の個数: 32

約数和(自身を含む): 45859737600

約数和(自身を除く): 24859012866

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 1151, 2302, 3453, 6906, 12661, 25322, 37983, 75966, 276449, 552898, 829347, 1658694, 3040939, 6081878, 9122817, 18245634, 318192799, 636385598, 954578397, 1909156794, 3500120789, 7000241578, 10500362367, 21000724734]

約数ペア:

[(1, 21000724734), (2, 10500362367), (3, 7000241578), (6, 3500120789), (11, 1909156794), (22, 954578397), (33, 636385598), (66, 318192799), (1151, 18245634), (2302, 9122817), (3453, 6081878), (6906, 3040939), (12661, 1658694), (25322, 829347), (37983, 552898), (75966, 276449)]