21076726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 35642880

約数和(自身を除く): 14566154

約数列:

[1, 2, 11, 22, 67, 79, 134, 158, 181, 362, 737, 869, 1474, 1738, 1991, 3982, 5293, 10586, 12127, 14299, 24254, 28598, 58223, 116446, 133397, 157289, 266794, 314578, 958033, 1916066, 10538363, 21076726]

約数ペア:

[(1, 21076726), (2, 10538363), (11, 1916066), (22, 958033), (67, 314578), (79, 266794), (134, 157289), (158, 133397), (181, 116446), (362, 58223), (737, 28598), (869, 24254), (1474, 14299), (1738, 12127), (1991, 10586), (3982, 5293)]