21920286

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{117851}}^1$

素因数の和:117887

約数の個数: 16

約数和(自身を含む): 45255168

約数和(自身を除く): 23334882

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 117851, 235702, 353553, 707106, 3653381, 7306762, 10960143, 21920286]

約数ペア:

[(1, 21920286), (2, 10960143), (3, 7306762), (6, 3653381), (31, 707106), (62, 353553), (93, 235702), (186, 117851)]