21094476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135221}}^1$

素因数の和:135241

約数の個数: 24

約数和(自身を含む): 53007024

約数和(自身を除く): 31912548

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135221, 270442, 405663, 540884, 811326, 1622652, 1757873, 3515746, 5273619, 7031492, 10547238, 21094476]

約数ペア:

[(1, 21094476), (2, 10547238), (3, 7031492), (4, 5273619), (6, 3515746), (12, 1757873), (13, 1622652), (26, 811326), (39, 540884), (52, 405663), (78, 270442), (156, 135221)]