21700318

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{9679}}^1$

素因数の和:9759

約数の個数: 16

約数和(自身を含む): 34848000

約数和(自身を除く): 13147682

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 9679, 19358, 183901, 367802, 571061, 1142122, 10850159, 21700318]

約数ペア:

[(1, 21700318), (2, 10850159), (19, 1142122), (38, 571061), (59, 367802), (118, 183901), (1121, 19358), (2242, 9679)]