21798584

素因数分解:

$2^3\times {\mathrm{67}}^2\times {\mathrm{607}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 41559840

約数和(自身を除く): 19761256

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 607, 1214, 2428, 4489, 4856, 8978, 17956, 35912, 40669, 81338, 162676, 325352, 2724823, 5449646, 10899292, 21798584]

約数ペア:

[(1, 21798584), (2, 10899292), (4, 5449646), (8, 2724823), (67, 325352), (134, 162676), (268, 81338), (536, 40669), (607, 35912), (1214, 17956), (2428, 8978), (4489, 4856)]