21856842

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{24781}}^1$

素因数の和:24803

約数の個数: 36

約数和(自身を含む): 55090386

約数和(自身を除く): 33233544

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 24781, 49562, 74343, 148686, 173467, 223029, 346934, 446058, 520401, 1040802, 1214269, 1561203, 2428538, 3122406, 3642807, 7285614, 10928421, 21856842]

約数ペア:

[(1, 21856842), (2, 10928421), (3, 7285614), (6, 3642807), (7, 3122406), (9, 2428538), (14, 1561203), (18, 1214269), (21, 1040802), (42, 520401), (49, 446058), (63, 346934), (98, 223029), (126, 173467), (147, 148686), (294, 74343), (441, 49562), (882, 24781)]