21116830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{301669}}^1$

素因数の和:301683

約数の個数: 16

約数和(自身を含む): 43440480

約数和(自身を除く): 22323650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 301669, 603338, 1508345, 2111683, 3016690, 4223366, 10558415, 21116830]

約数ペア:

[(1, 21116830), (2, 10558415), (5, 4223366), (7, 3016690), (10, 2111683), (14, 1508345), (35, 603338), (70, 301669)]