21810868

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 38892672

約数和(自身を除く): 17081804

約数列:

[1, 2, 4, 103, 167, 206, 317, 334, 412, 634, 668, 1268, 17201, 32651, 34402, 52939, 65302, 68804, 105878, 130604, 211756, 5452717, 10905434, 21810868]

約数ペア:

[(1, 21810868), (2, 10905434), (4, 5452717), (103, 211756), (167, 130604), (206, 105878), (317, 68804), (334, 65302), (412, 52939), (634, 34402), (668, 32651), (1268, 17201)]