21245433

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{2887}}^1$

素因数の和:3124

約数の個数: 16

約数和(自身を含む): 31051776

約数和(自身を除く): 9806343

約数列:

[1, 3, 11, 33, 223, 669, 2453, 2887, 7359, 8661, 31757, 95271, 643801, 1931403, 7081811, 21245433]

約数ペア:

[(1, 21245433), (3, 7081811), (11, 1931403), (33, 643801), (223, 95271), (669, 31757), (2453, 8661), (2887, 7359)]