21345480289

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^2\times {\mathrm{15733}}^1$

素因数の和:15961

約数の個数: 24

約数和(自身を含む): 25937184320

約数和(自身を除く): 4591704031

約数列:

[1, 7, 19, 101, 133, 707, 1919, 10201, 13433, 15733, 71407, 110131, 193819, 298927, 1356733, 1589033, 2092489, 11123231, 30191627, 160492333, 211341389, 1123446331, 3049354327, 21345480289]

約数ペア:

[(1, 21345480289), (7, 3049354327), (19, 1123446331), (101, 211341389), (133, 160492333), (707, 30191627), (1919, 11123231), (10201, 2092489), (13433, 1589033), (15733, 1356733), (71407, 298927), (110131, 193819)]