21836690

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1181}}^1$

素因数の和:1274

約数の個数: 24

約数和(自身を含む): 40275468

約数和(自身を除く): 18438778

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1181, 1849, 2362, 3698, 5905, 9245, 11810, 18490, 50783, 101566, 253915, 507830, 2183669, 4367338, 10918345, 21836690]

約数ペア:

[(1, 21836690), (2, 10918345), (5, 4367338), (10, 2183669), (43, 507830), (86, 253915), (215, 101566), (430, 50783), (1181, 18490), (1849, 11810), (2362, 9245), (3698, 5905)]