21619699713

素因数分解:

$3^4\times {\mathrm{757}}^1\times {\mathrm{352589}}^1$

素因数の和:353358

約数の個数: 20

約数和(自身を含む): 32338849620

約数和(自身を除く): 10719149907

約数列:

[1, 3, 9, 27, 81, 757, 2271, 6813, 20439, 61317, 352589, 1057767, 3173301, 9519903, 28559709, 266909873, 800729619, 2402188857, 7206566571, 21619699713]

約数ペア:

[(1, 21619699713), (3, 7206566571), (9, 2402188857), (27, 800729619), (81, 266909873), (757, 28559709), (2271, 9519903), (6813, 3173301), (20439, 1057767), (61317, 352589)]