21524590

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1117}}^1$

素因数の和:1212

約数の個数: 32

約数和(自身を含む): 40569984

約数和(自身を除く): 19045394

約数列:

[1, 2, 5, 10, 41, 47, 82, 94, 205, 235, 410, 470, 1117, 1927, 2234, 3854, 5585, 9635, 11170, 19270, 45797, 52499, 91594, 104998, 228985, 262495, 457970, 524990, 2152459, 4304918, 10762295, 21524590]

約数ペア:

[(1, 21524590), (2, 10762295), (5, 4304918), (10, 2152459), (41, 524990), (47, 457970), (82, 262495), (94, 228985), (205, 104998), (235, 91594), (410, 52499), (470, 45797), (1117, 19270), (1927, 11170), (2234, 9635), (3854, 5585)]