21610449

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1049}}^1$

素因数の和:1174

約数の個数: 32

約数和(自身を含む): 36960000

約数和(自身を除く): 15349551

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 763, 981, 1049, 2289, 2943, 3147, 6867, 7343, 9441, 20601, 22029, 28323, 66087, 114341, 198261, 343023, 800387, 1029069, 2401161, 3087207, 7203483, 21610449]

約数ペア:

[(1, 21610449), (3, 7203483), (7, 3087207), (9, 2401161), (21, 1029069), (27, 800387), (63, 343023), (109, 198261), (189, 114341), (327, 66087), (763, 28323), (981, 22029), (1049, 20601), (2289, 9441), (2943, 7343), (3147, 6867)]