21896510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{853}}^1$

素因数の和:1028

約数の個数: 32

約数和(自身を含む): 42057792

約数和(自身を除く): 20161282

約数列:

[1, 2, 5, 10, 17, 34, 85, 151, 170, 302, 755, 853, 1510, 1706, 2567, 4265, 5134, 8530, 12835, 14501, 25670, 29002, 72505, 128803, 145010, 257606, 644015, 1288030, 2189651, 4379302, 10948255, 21896510]

約数ペア:

[(1, 21896510), (2, 10948255), (5, 4379302), (10, 2189651), (17, 1288030), (34, 644015), (85, 257606), (151, 145010), (170, 128803), (302, 72505), (755, 29002), (853, 25670), (1510, 14501), (1706, 12835), (2567, 8530), (4265, 5134)]