21852051

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^2$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 32694480

約数和(自身を除く): 10842429

約数列:

[1, 3, 13, 29, 39, 87, 139, 377, 417, 1131, 1807, 4031, 5421, 12093, 19321, 52403, 57963, 157209, 251173, 560309, 753519, 1680927, 7284017, 21852051]

約数ペア:

[(1, 21852051), (3, 7284017), (13, 1680927), (29, 753519), (39, 560309), (87, 251173), (139, 157209), (377, 57963), (417, 52403), (1131, 19321), (1807, 12093), (4031, 5421)]