21854531

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 23861568

約数和(自身を除く): 2007037

約数列:

[1, 23, 37, 61, 421, 851, 1403, 2257, 9683, 15577, 25681, 51911, 358271, 590663, 950197, 21854531]

約数ペア:

[(1, 21854531), (23, 950197), (37, 590663), (61, 358271), (421, 51911), (851, 25681), (1403, 15577), (2257, 9683)]