21242612

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{1033}}^1$

素因数の和:1187

約数の個数: 24

約数和(自身を含む): 38303496

約数和(自身を除く): 17060884

約数列:

[1, 2, 4, 53, 97, 106, 194, 212, 388, 1033, 2066, 4132, 5141, 10282, 20564, 54749, 100201, 109498, 200402, 218996, 400804, 5310653, 10621306, 21242612]

約数ペア:

[(1, 21242612), (2, 10621306), (4, 5310653), (53, 400804), (97, 218996), (106, 200402), (194, 109498), (212, 100201), (388, 54749), (1033, 20564), (2066, 10282), (4132, 5141)]