21430778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{13411}}^1$

素因数の和:13477

約数の個数: 16

約数和(自身を含む): 34763904

約数和(自身を除く): 13333126

約数列:

[1, 2, 17, 34, 47, 94, 799, 1598, 13411, 26822, 227987, 455974, 630317, 1260634, 10715389, 21430778]

約数ペア:

[(1, 21430778), (2, 10715389), (17, 1260634), (34, 630317), (47, 455974), (94, 227987), (799, 26822), (1598, 13411)]