21812706

素因数分解:

$2^1\times 3^3\times {\mathrm{149}}^1\times {\mathrm{2711}}^1$

素因数の和:2871

約数の個数: 32

約数和(自身を含む): 48816000

約数和(自身を除く): 27003294

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 149, 298, 447, 894, 1341, 2682, 2711, 4023, 5422, 8046, 8133, 16266, 24399, 48798, 73197, 146394, 403939, 807878, 1211817, 2423634, 3635451, 7270902, 10906353, 21812706]

約数ペア:

[(1, 21812706), (2, 10906353), (3, 7270902), (6, 3635451), (9, 2423634), (18, 1211817), (27, 807878), (54, 403939), (149, 146394), (298, 73197), (447, 48798), (894, 24399), (1341, 16266), (2682, 8133), (2711, 8046), (4023, 5422)]