21261828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6841}}^1$

素因数の和:6892

約数の個数: 48

約数和(自身を含む): 58239104

約数和(自身を除く): 36977276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 6841, 13682, 20523, 27364, 41046, 47887, 82092, 95774, 143661, 191548, 253117, 287322, 506234, 574644, 759351, 1012468, 1518702, 1771819, 3037404, 3543638, 5315457, 7087276, 10630914, 21261828]

約数ペア:

[(1, 21261828), (2, 10630914), (3, 7087276), (4, 5315457), (6, 3543638), (7, 3037404), (12, 1771819), (14, 1518702), (21, 1012468), (28, 759351), (37, 574644), (42, 506234), (74, 287322), (84, 253117), (111, 191548), (148, 143661), (222, 95774), (259, 82092), (444, 47887), (518, 41046), (777, 27364), (1036, 20523), (1554, 13682), (3108, 6841)]