21673547

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1831}}^1$

素因数の和:1946

約数の個数: 16

約数和(自身を含む): 26380800

約数和(自身を除く): 4707253

約数列:

[1, 7, 19, 89, 133, 623, 1691, 1831, 11837, 12817, 34789, 162959, 243523, 1140713, 3096221, 21673547]

約数ペア:

[(1, 21673547), (7, 3096221), (19, 1140713), (89, 243523), (133, 162959), (623, 34789), (1691, 12817), (1831, 11837)]