21753886

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4871}}^1$

素因数の和:4920

約数の個数: 32

約数和(自身を含む): 42094080

約数和(自身を除く): 20340194

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 319, 406, 638, 2233, 4466, 4871, 9742, 34097, 53581, 68194, 107162, 141259, 282518, 375067, 750134, 988813, 1553849, 1977626, 3107698, 10876943, 21753886]

約数ペア:

[(1, 21753886), (2, 10876943), (7, 3107698), (11, 1977626), (14, 1553849), (22, 988813), (29, 750134), (58, 375067), (77, 282518), (154, 141259), (203, 107162), (319, 68194), (406, 53581), (638, 34097), (2233, 9742), (4466, 4871)]