21419662

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{1451}}^1$

素因数の和:1536

約数の個数: 24

約数和(自身を含む): 35919576

約数和(自身を除く): 14499914

約数列:

[1, 2, 11, 22, 61, 121, 122, 242, 671, 1342, 1451, 2902, 7381, 14762, 15961, 31922, 88511, 175571, 177022, 351142, 973621, 1947242, 10709831, 21419662]

約数ペア:

[(1, 21419662), (2, 10709831), (11, 1947242), (22, 973621), (61, 351142), (121, 177022), (122, 175571), (242, 88511), (671, 31922), (1342, 15961), (1451, 14762), (2902, 7381)]