21209762

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 37355520

約数和(自身を除く): 16145758

約数列:

[1, 2, 7, 14, 79, 127, 151, 158, 254, 302, 553, 889, 1057, 1106, 1778, 2114, 10033, 11929, 19177, 20066, 23858, 38354, 70231, 83503, 134239, 140462, 167006, 268478, 1514983, 3029966, 10604881, 21209762]

約数ペア:

[(1, 21209762), (2, 10604881), (7, 3029966), (14, 1514983), (79, 268478), (127, 167006), (151, 140462), (158, 134239), (254, 83503), (302, 70231), (553, 38354), (889, 23858), (1057, 20066), (1106, 19177), (1778, 11929), (2114, 10033)]