21358695

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{12601}}^1$

素因数の和:12722

約数の個数: 16

約数和(自身を含む): 34479072

約数和(自身を除く): 13120377

約数列:

[1, 3, 5, 15, 113, 339, 565, 1695, 12601, 37803, 63005, 189015, 1423913, 4271739, 7119565, 21358695]

約数ペア:

[(1, 21358695), (3, 7119565), (5, 4271739), (15, 1423913), (113, 189015), (339, 63005), (565, 37803), (1695, 12601)]