21307610

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 39267072

約数和(自身を除く): 17959462

約数列:

[1, 2, 5, 10, 103, 137, 151, 206, 274, 302, 515, 685, 755, 1030, 1370, 1510, 14111, 15553, 20687, 28222, 31106, 41374, 70555, 77765, 103435, 141110, 155530, 206870, 2130761, 4261522, 10653805, 21307610]

約数ペア:

[(1, 21307610), (2, 10653805), (5, 4261522), (10, 2130761), (103, 206870), (137, 155530), (151, 141110), (206, 103435), (274, 77765), (302, 70555), (515, 41374), (685, 31106), (755, 28222), (1030, 20687), (1370, 15553), (1510, 14111)]