21723850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10597}}^1$

素因数の和:10650

約数の個数: 24

約数和(自身を含む): 41395788

約数和(自身を除く): 19671938

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 10597, 21194, 52985, 105970, 264925, 434477, 529850, 868954, 2172385, 4344770, 10861925, 21723850]

約数ペア:

[(1, 21723850), (2, 10861925), (5, 4344770), (10, 2172385), (25, 868954), (41, 529850), (50, 434477), (82, 264925), (205, 105970), (410, 52985), (1025, 21194), (2050, 10597)]