21197956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{14057}}^1$

素因数の和:14103

約数の個数: 24

約数和(自身を含む): 41330520

約数和(自身を除く): 20132564

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 14057, 28114, 56228, 182741, 365482, 407653, 730964, 815306, 1630612, 5299489, 10598978, 21197956]

約数ペア:

[(1, 21197956), (2, 10598978), (4, 5299489), (13, 1630612), (26, 815306), (29, 730964), (52, 407653), (58, 365482), (116, 182741), (377, 56228), (754, 28114), (1508, 14057)]