21781794

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1193}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 46422720

約数和(自身を除く): 24640926

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 179, 358, 537, 1074, 1193, 2386, 3043, 3579, 6086, 7158, 9129, 18258, 20281, 40562, 60843, 121686, 213547, 427094, 640641, 1281282, 3630299, 7260598, 10890897, 21781794]

約数ペア:

[(1, 21781794), (2, 10890897), (3, 7260598), (6, 3630299), (17, 1281282), (34, 640641), (51, 427094), (102, 213547), (179, 121686), (358, 60843), (537, 40562), (1074, 20281), (1193, 18258), (2386, 9129), (3043, 7158), (3579, 6086)]