21565367

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 23814144

約数和(自身を除く): 2248777

約数列:

[1, 17, 31, 151, 271, 527, 2567, 4607, 4681, 8401, 40921, 79577, 142817, 695657, 1268551, 21565367]

約数ペア:

[(1, 21565367), (17, 1268551), (31, 695657), (151, 142817), (271, 79577), (527, 40921), (2567, 8401), (4607, 4681)]