21818931

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{2141}}^1$

素因数の和:2266

約数の個数: 16

約数和(自身を含む): 30159360

約数和(自身を除く): 8340429

約数列:

[1, 3, 43, 79, 129, 237, 2141, 3397, 6423, 10191, 92063, 169139, 276189, 507417, 7272977, 21818931]

約数ペア:

[(1, 21818931), (3, 7272977), (43, 507417), (79, 276189), (129, 169139), (237, 92063), (2141, 10191), (3397, 6423)]