21277812

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2819}}^1$

素因数の和:2880

約数の個数: 48

約数和(自身を含む): 54008640

約数和(自身を除く): 32730828

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 37, 51, 68, 74, 102, 111, 148, 204, 222, 444, 629, 1258, 1887, 2516, 2819, 3774, 5638, 7548, 8457, 11276, 16914, 33828, 47923, 95846, 104303, 143769, 191692, 208606, 287538, 312909, 417212, 575076, 625818, 1251636, 1773151, 3546302, 5319453, 7092604, 10638906, 21277812]

約数ペア:

[(1, 21277812), (2, 10638906), (3, 7092604), (4, 5319453), (6, 3546302), (12, 1773151), (17, 1251636), (34, 625818), (37, 575076), (51, 417212), (68, 312909), (74, 287538), (102, 208606), (111, 191692), (148, 143769), (204, 104303), (222, 95846), (444, 47923), (629, 33828), (1258, 16914), (1887, 11276), (2516, 8457), (2819, 7548), (3774, 5638)]