21916652

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{1019}}^1$

素因数の和:1325

約数の個数: 24

約数和(自身を含む): 40555200

約数和(自身を除く): 18638548

約数列:

[1, 2, 4, 19, 38, 76, 283, 566, 1019, 1132, 2038, 4076, 5377, 10754, 19361, 21508, 38722, 77444, 288377, 576754, 1153508, 5479163, 10958326, 21916652]

約数ペア:

[(1, 21916652), (2, 10958326), (4, 5479163), (19, 1153508), (38, 576754), (76, 288377), (283, 77444), (566, 38722), (1019, 21508), (1132, 19361), (2038, 10754), (4076, 5377)]