21815799

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{751}}^1$

素因数の和:1198

約数の個数: 16

約数和(自身を含む): 30465024

約数和(自身を除く): 8649225

約数列:

[1, 3, 23, 69, 421, 751, 1263, 2253, 9683, 17273, 29049, 51819, 316171, 948513, 7271933, 21815799]

約数ペア:

[(1, 21815799), (3, 7271933), (23, 948513), (69, 316171), (421, 51819), (751, 29049), (1263, 17273), (2253, 9683)]