21970216

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{34763}}^1$

素因数の和:34848

約数の個数: 16

約数和(自身を含む): 41716800

約数和(自身を除く): 19746584

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 34763, 69526, 139052, 278104, 2746277, 5492554, 10985108, 21970216]

約数ペア:

[(1, 21970216), (2, 10985108), (4, 5492554), (8, 2746277), (79, 278104), (158, 139052), (316, 69526), (632, 34763)]