21526940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22901}}^1$

素因数の和:22957

約数の個数: 24

約数和(自身を含む): 46170432

約数和(自身を除く): 24643492

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 22901, 45802, 91604, 114505, 229010, 458020, 1076347, 2152694, 4305388, 5381735, 10763470, 21526940]

約数ペア:

[(1, 21526940), (2, 10763470), (4, 5381735), (5, 4305388), (10, 2152694), (20, 1076347), (47, 458020), (94, 229010), (188, 114505), (235, 91604), (470, 45802), (940, 22901)]