20161299921

素因数分解:

$3^1\times 7^1\times {\mathrm{211049}}^1\times {\mathrm{4549}}^1$

素因数の和:215608

約数の個数: 16

約数和(自身を含む): 30728880000

約数和(自身を除く): 10567580079

約数列:

[1, 3, 7, 21, 4549, 13647, 31843, 95529, 211049, 633147, 1477343, 4432029, 960061901, 2880185703, 6720433307, 20161299921]

約数ペア:

[(1, 20161299921), (3, 6720433307), (7, 2880185703), (21, 960061901), (4549, 4432029), (13647, 1477343), (31843, 633147), (95529, 211049)]