21727652

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1279}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 39567360

約数和(自身を除く): 17839708

約数列:

[1, 2, 4, 31, 62, 124, 137, 274, 548, 1279, 2558, 4247, 5116, 8494, 16988, 39649, 79298, 158596, 175223, 350446, 700892, 5431913, 10863826, 21727652]

約数ペア:

[(1, 21727652), (2, 10863826), (4, 5431913), (31, 700892), (62, 350446), (124, 175223), (137, 158596), (274, 79298), (548, 39649), (1279, 16988), (2558, 8494), (4247, 5116)]