21835918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 36578304

約数和(自身を除く): 14742386

約数列:

[1, 2, 13, 26, 47, 94, 107, 167, 214, 334, 611, 1222, 1391, 2171, 2782, 4342, 5029, 7849, 10058, 15698, 17869, 35738, 65377, 102037, 130754, 204074, 232297, 464594, 839843, 1679686, 10917959, 21835918]

約数ペア:

[(1, 21835918), (2, 10917959), (13, 1679686), (26, 839843), (47, 464594), (94, 232297), (107, 204074), (167, 130754), (214, 102037), (334, 65377), (611, 35738), (1222, 17869), (1391, 15698), (2171, 10058), (2782, 7849), (4342, 5029)]