21898583

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{719}}^1$

素因数の和:974

約数の個数: 16

約数和(自身を含む): 26496000

約数和(自身を除く): 4597417

約数列:

[1, 7, 19, 133, 229, 719, 1603, 4351, 5033, 13661, 30457, 95627, 164651, 1152557, 3128369, 21898583]

約数ペア:

[(1, 21898583), (7, 3128369), (19, 1152557), (133, 164651), (229, 95627), (719, 30457), (1603, 13661), (4351, 5033)]