21880054

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{617}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 40046400

約数和(自身を除く): 18166346

約数列:

[1, 2, 7, 14, 17, 34, 119, 149, 238, 298, 617, 1043, 1234, 2086, 2533, 4319, 5066, 8638, 10489, 17731, 20978, 35462, 73423, 91933, 146846, 183866, 643531, 1287062, 1562861, 3125722, 10940027, 21880054]

約数ペア:

[(1, 21880054), (2, 10940027), (7, 3125722), (14, 1562861), (17, 1287062), (34, 643531), (119, 183866), (149, 146846), (238, 91933), (298, 73423), (617, 35462), (1043, 20978), (1234, 17731), (2086, 10489), (2533, 8638), (4319, 5066)]