21296030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3851}}^1$

素因数の和:3944

約数の個数: 32

約数和(自身を含む): 44375040

約数和(自身を除く): 23079010

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 3851, 5530, 7702, 19255, 26957, 38510, 53914, 134785, 269570, 304229, 608458, 1521145, 2129603, 3042290, 4259206, 10648015, 21296030]

約数ペア:

[(1, 21296030), (2, 10648015), (5, 4259206), (7, 3042290), (10, 2129603), (14, 1521145), (35, 608458), (70, 304229), (79, 269570), (158, 134785), (395, 53914), (553, 38510), (790, 26957), (1106, 19255), (2765, 7702), (3851, 5530)]