21928522

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 44126208

約数和(自身を除く): 22197686

約数列:

[1, 2, 7, 11, 14, 22, 23, 41, 46, 77, 82, 151, 154, 161, 253, 287, 302, 322, 451, 506, 574, 902, 943, 1057, 1661, 1771, 1886, 2114, 3157, 3322, 3473, 3542, 6191, 6314, 6601, 6946, 10373, 11627, 12382, 13202, 20746, 23254, 24311, 38203, 43337, 48622, 68101, 72611, 76406, 86674, 136202, 142393, 145222, 267421, 284786, 476707, 534842, 953414, 996751, 1566323, 1993502, 3132646, 10964261, 21928522]

約数ペア:

[(1, 21928522), (2, 10964261), (7, 3132646), (11, 1993502), (14, 1566323), (22, 996751), (23, 953414), (41, 534842), (46, 476707), (77, 284786), (82, 267421), (151, 145222), (154, 142393), (161, 136202), (253, 86674), (287, 76406), (302, 72611), (322, 68101), (451, 48622), (506, 43337), (574, 38203), (902, 24311), (943, 23254), (1057, 20746), (1661, 13202), (1771, 12382), (1886, 11627), (2114, 10373), (3157, 6946), (3322, 6601), (3473, 6314), (3542, 6191)]