21646724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4871}}^1$

素因数の和:4987

約数の個数: 24

約数和(自身を含む): 41743296

約数和(自身を除く): 20096572

約数列:

[1, 2, 4, 11, 22, 44, 101, 202, 404, 1111, 2222, 4444, 4871, 9742, 19484, 53581, 107162, 214324, 491971, 983942, 1967884, 5411681, 10823362, 21646724]

約数ペア:

[(1, 21646724), (2, 10823362), (4, 5411681), (11, 1967884), (22, 983942), (44, 491971), (101, 214324), (202, 107162), (404, 53581), (1111, 19484), (2222, 9742), (4444, 4871)]