21928305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2153}}^1$

素因数の和:2265

約数の個数: 32

約数和(自身を含む): 40529664

約数和(自身を除く): 18601359

約数列:

[1, 3, 5, 7, 15, 21, 35, 97, 105, 291, 485, 679, 1455, 2037, 2153, 3395, 6459, 10185, 10765, 15071, 32295, 45213, 75355, 208841, 226065, 626523, 1044205, 1461887, 3132615, 4385661, 7309435, 21928305]

約数ペア:

[(1, 21928305), (3, 7309435), (5, 4385661), (7, 3132615), (15, 1461887), (21, 1044205), (35, 626523), (97, 226065), (105, 208841), (291, 75355), (485, 45213), (679, 32295), (1455, 15071), (2037, 10765), (2153, 10185), (3395, 6459)]