21545458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 36661248

約数和(自身を除く): 15115790

約数列:

[1, 2, 11, 22, 47, 67, 94, 134, 311, 517, 622, 737, 1034, 1474, 3149, 3421, 6298, 6842, 14617, 20837, 29234, 34639, 41674, 69278, 160787, 229207, 321574, 458414, 979339, 1958678, 10772729, 21545458]

約数ペア:

[(1, 21545458), (2, 10772729), (11, 1958678), (22, 979339), (47, 458414), (67, 321574), (94, 229207), (134, 160787), (311, 69278), (517, 41674), (622, 34639), (737, 29234), (1034, 20837), (1474, 14617), (3149, 6842), (3421, 6298)]