21489222

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{155719}}^1$

素因数の和:155747

約数の個数: 16

約数和(自身を含む): 44847360

約数和(自身を除く): 23358138

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 155719, 311438, 467157, 934314, 3581537, 7163074, 10744611, 21489222]

約数ペア:

[(1, 21489222), (2, 10744611), (3, 7163074), (6, 3581537), (23, 934314), (46, 467157), (69, 311438), (138, 155719)]