21836061

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:347

約数の個数: 40

約数和(自身を含む): 35675640

約数和(自身を除く): 13839579

約数列:

[1, 3, 9, 13, 27, 39, 81, 89, 117, 233, 267, 351, 699, 801, 1053, 1157, 2097, 2403, 3029, 3471, 6291, 7209, 9087, 10413, 18873, 20737, 27261, 31239, 62211, 81783, 93717, 186633, 245349, 269581, 559899, 808743, 1679697, 2426229, 7278687, 21836061]

約数ペア:

[(1, 21836061), (3, 7278687), (9, 2426229), (13, 1679697), (27, 808743), (39, 559899), (81, 269581), (89, 245349), (117, 186633), (233, 93717), (267, 81783), (351, 62211), (699, 31239), (801, 27261), (1053, 20737), (1157, 18873), (2097, 10413), (2403, 9087), (3029, 7209), (3471, 6291)]