21978044638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{12703}}^1\times {\mathrm{78643}}^1$

素因数の和:91359

約数の個数: 16

約数和(自身を含む): 35967361536

約数和(自身を除く): 13989316898

約数列:

[1, 2, 11, 22, 12703, 25406, 78643, 139733, 157286, 279466, 865073, 1730146, 999002029, 1998004058, 10989022319, 21978044638]

約数ペア:

[(1, 21978044638), (2, 10989022319), (11, 1998004058), (22, 999002029), (12703, 1730146), (25406, 865073), (78643, 279466), (139733, 157286)]