21416020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22783}}^1$

素因数の和:22839

約数の個数: 24

約数和(自身を含む): 45932544

約数和(自身を除く): 24516524

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 22783, 45566, 91132, 113915, 227830, 455660, 1070801, 2141602, 4283204, 5354005, 10708010, 21416020]

約数ペア:

[(1, 21416020), (2, 10708010), (4, 5354005), (5, 4283204), (10, 2141602), (20, 1070801), (47, 455660), (94, 227830), (188, 113915), (235, 91132), (470, 45566), (940, 22783)]