21257614

素因数分解:

$2^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{2477}}^1$

素因数の和:3099

約数の個数: 16

約数和(自身を含む): 36515808

約数和(自身を除く): 15258194

約数列:

[1, 2, 7, 14, 613, 1226, 2477, 4291, 4954, 8582, 17339, 34678, 1518401, 3036802, 10628807, 21257614]

約数ペア:

[(1, 21257614), (2, 10628807), (7, 3036802), (14, 1518401), (613, 34678), (1226, 17339), (2477, 8582), (4291, 4954)]