21951021

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{1031}}^1$

素因数の和:1232

約数の個数: 16

約数和(自身を含む): 30117888

約数和(自身を除く): 8166867

約数列:

[1, 3, 47, 141, 151, 453, 1031, 3093, 7097, 21291, 48457, 145371, 155681, 467043, 7317007, 21951021]

約数ペア:

[(1, 21951021), (3, 7317007), (47, 467043), (141, 155681), (151, 145371), (453, 48457), (1031, 21291), (3093, 7097)]