21379110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2957}}^1$

素因数の和:3208

約数の個数: 32

約数和(自身を含む): 51540192

約数和(自身を除く): 30161082

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 241, 482, 723, 1205, 1446, 2410, 2957, 3615, 5914, 7230, 8871, 14785, 17742, 29570, 44355, 88710, 712637, 1425274, 2137911, 3563185, 4275822, 7126370, 10689555, 21379110]

約数ペア:

[(1, 21379110), (2, 10689555), (3, 7126370), (5, 4275822), (6, 3563185), (10, 2137911), (15, 1425274), (30, 712637), (241, 88710), (482, 44355), (723, 29570), (1205, 17742), (1446, 14785), (2410, 8871), (2957, 7230), (3615, 5914)]