21274889

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 23474880

約数和(自身を除く): 2199991

約数列:

[1, 19, 37, 53, 571, 703, 1007, 1961, 10849, 21127, 30263, 37259, 401413, 574997, 1119731, 21274889]

約数ペア:

[(1, 21274889), (19, 1119731), (37, 574997), (53, 401413), (571, 37259), (703, 30263), (1007, 21127), (1961, 10849)]