21250822

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:807

約数の個数: 16

約数和(自身を含む): 32442480

約数和(自身を除く): 11191658

約数列:

[1, 2, 83, 166, 313, 409, 626, 818, 25979, 33947, 51958, 67894, 128017, 256034, 10625411, 21250822]

約数ペア:

[(1, 21250822), (2, 10625411), (83, 256034), (166, 128017), (313, 67894), (409, 51958), (626, 33947), (818, 25979)]