21054312

素因数分解:

$2^3\times 3^2\times {\mathrm{191}}^1\times {\mathrm{1531}}^1$

素因数の和:1734

約数の個数: 48

約数和(自身を含む): 57358080

約数和(自身を除く): 36303768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 191, 382, 573, 764, 1146, 1528, 1531, 1719, 2292, 3062, 3438, 4584, 4593, 6124, 6876, 9186, 12248, 13752, 13779, 18372, 27558, 36744, 55116, 110232, 292421, 584842, 877263, 1169684, 1754526, 2339368, 2631789, 3509052, 5263578, 7018104, 10527156, 21054312]

約数ペア:

[(1, 21054312), (2, 10527156), (3, 7018104), (4, 5263578), (6, 3509052), (8, 2631789), (9, 2339368), (12, 1754526), (18, 1169684), (24, 877263), (36, 584842), (72, 292421), (191, 110232), (382, 55116), (573, 36744), (764, 27558), (1146, 18372), (1528, 13779), (1531, 13752), (1719, 12248), (2292, 9186), (3062, 6876), (3438, 6124), (4584, 4593)]