21973731

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{13103}}^1$

素因数の和:13162

約数の個数: 16

約数和(自身を含む): 32288256

約数和(自身を除く): 10314525

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 13103, 39309, 170339, 511017, 563429, 1690287, 7324577, 21973731]

約数ペア:

[(1, 21973731), (3, 7324577), (13, 1690287), (39, 563429), (43, 511017), (129, 170339), (559, 39309), (1677, 13103)]