21349426

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{967}}^1$

素因数の和:1078

約数の個数: 32

約数和(自身を含む): 39029760

約数和(自身を除く): 17680334

約数列:

[1, 2, 7, 14, 19, 38, 83, 133, 166, 266, 581, 967, 1162, 1577, 1934, 3154, 6769, 11039, 13538, 18373, 22078, 36746, 80261, 128611, 160522, 257222, 561827, 1123654, 1524959, 3049918, 10674713, 21349426]

約数ペア:

[(1, 21349426), (2, 10674713), (7, 3049918), (14, 1524959), (19, 1123654), (38, 561827), (83, 257222), (133, 160522), (166, 128611), (266, 80261), (581, 36746), (967, 22078), (1162, 18373), (1577, 13538), (1934, 11039), (3154, 6769)]