21603489

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{1637}}^1$

素因数の和:1776

約数の個数: 16

約数和(自身を含む): 29719872

約数和(自身を除く): 8116383

約数列:

[1, 3, 53, 83, 159, 249, 1637, 4399, 4911, 13197, 86761, 135871, 260283, 407613, 7201163, 21603489]

約数ペア:

[(1, 21603489), (3, 7201163), (53, 407613), (83, 260283), (159, 135871), (249, 86761), (1637, 13197), (4399, 4911)]