21696645

素因数分解:

$3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{7573}}^1$

素因数の和:7772

約数の個数: 16

約数和(自身を含む): 34900992

約数和(自身を除く): 13204347

約数列:

[1, 3, 5, 15, 191, 573, 955, 2865, 7573, 22719, 37865, 113595, 1446443, 4339329, 7232215, 21696645]

約数ペア:

[(1, 21696645), (3, 7232215), (5, 4339329), (15, 1446443), (191, 113595), (573, 37865), (955, 22719), (2865, 7573)]