21852299

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3821}}^1$

素因数の和:3890

約数の個数: 16

約数和(自身を含む): 26906880

約数和(自身を除く): 5054581

約数列:

[1, 7, 19, 43, 133, 301, 817, 3821, 5719, 26747, 72599, 164303, 508193, 1150121, 3121757, 21852299]

約数ペア:

[(1, 21852299), (7, 3121757), (19, 1150121), (43, 508193), (133, 164303), (301, 72599), (817, 26747), (3821, 5719)]