21973389

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{677}}^1$

素因数の和:1060

約数の個数: 16

約数和(自身を含む): 30374400

約数和(自身を除く): 8401011

約数列:

[1, 3, 31, 93, 349, 677, 1047, 2031, 10819, 20987, 32457, 62961, 236273, 708819, 7324463, 21973389]

約数ペア:

[(1, 21973389), (3, 7324463), (31, 708819), (93, 236273), (349, 62961), (677, 32457), (1047, 20987), (2031, 10819)]