21145014

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{397}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 50291280

約数和(自身を除く): 29146266

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 269, 397, 538, 794, 807, 1191, 1614, 2382, 2421, 2959, 3573, 4367, 4842, 5918, 7146, 8734, 8877, 13101, 17754, 26202, 26631, 39303, 53262, 78606, 106793, 213586, 320379, 640758, 961137, 1174723, 1922274, 2349446, 3524169, 7048338, 10572507, 21145014]

約数ペア:

[(1, 21145014), (2, 10572507), (3, 7048338), (6, 3524169), (9, 2349446), (11, 1922274), (18, 1174723), (22, 961137), (33, 640758), (66, 320379), (99, 213586), (198, 106793), (269, 78606), (397, 53262), (538, 39303), (794, 26631), (807, 26202), (1191, 17754), (1614, 13101), (2382, 8877), (2421, 8734), (2959, 7146), (3573, 5918), (4367, 4842)]