21552254

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2333}}^1$

素因数の和:2515

約数の個数: 16

約数和(自身を含む): 33609600

約数和(自身を除く): 12057346

約数列:

[1, 2, 31, 62, 149, 298, 2333, 4619, 4666, 9238, 72323, 144646, 347617, 695234, 10776127, 21552254]

約数ペア:

[(1, 21552254), (2, 10776127), (31, 695234), (62, 347617), (149, 144646), (298, 72323), (2333, 9238), (4619, 4666)]