21262444

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2351}}^1$

素因数の和:2398

約数の個数: 48

約数和(自身を含む): 47416320

約数和(自身を除く): 26153876

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 2261, 2351, 4522, 4702, 9044, 9404, 16457, 32914, 39967, 44669, 65828, 79934, 89338, 159868, 178676, 279769, 312683, 559538, 625366, 759373, 1119076, 1250732, 1518746, 3037492, 5315611, 10631222, 21262444]

約数ペア:

[(1, 21262444), (2, 10631222), (4, 5315611), (7, 3037492), (14, 1518746), (17, 1250732), (19, 1119076), (28, 759373), (34, 625366), (38, 559538), (68, 312683), (76, 279769), (119, 178676), (133, 159868), (238, 89338), (266, 79934), (323, 65828), (476, 44669), (532, 39967), (646, 32914), (1292, 16457), (2261, 9404), (2351, 9044), (4522, 4702)]