21328166

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 14234074

約数列:

[1, 2, 17, 29, 34, 58, 97, 194, 223, 446, 493, 986, 1649, 2813, 3298, 3791, 5626, 6467, 7582, 12934, 21631, 43262, 47821, 95642, 109939, 219878, 367727, 627299, 735454, 1254598, 10664083, 21328166]

約数ペア:

[(1, 21328166), (2, 10664083), (17, 1254598), (29, 735454), (34, 627299), (58, 367727), (97, 219878), (194, 109939), (223, 95642), (446, 47821), (493, 43262), (986, 21631), (1649, 12934), (2813, 7582), (3298, 6467), (3791, 5626)]