21670748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{7351}}^1$

素因数の和:7433

約数の個数: 24

約数和(自身を含む): 41994624

約数和(自身を除く): 20323876

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 7351, 14702, 29404, 80861, 161722, 323444, 492517, 985034, 1970068, 5417687, 10835374, 21670748]

約数ペア:

[(1, 21670748), (2, 10835374), (4, 5417687), (11, 1970068), (22, 985034), (44, 492517), (67, 323444), (134, 161722), (268, 80861), (737, 29404), (1474, 14702), (2948, 7351)]