21000663495

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{7151}}^1\times {\mathrm{9323}}^1$

素因数の和:16492

約数の個数: 48

約数和(自身を含む): 41611594752

約数和(自身を除く): 20610931257

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 7151, 9323, 21453, 27969, 35755, 46615, 50057, 64359, 65261, 83907, 107265, 139845, 150171, 195783, 250285, 321795, 326305, 419535, 450513, 587349, 750855, 978915, 2252565, 2936745, 66668773, 200006319, 333343865, 466681411, 600018957, 1000031595, 1400044233, 2333407055, 3000094785, 4200132699, 7000221165, 21000663495]

約数ペア:

[(1, 21000663495), (3, 7000221165), (5, 4200132699), (7, 3000094785), (9, 2333407055), (15, 1400044233), (21, 1000031595), (35, 600018957), (45, 466681411), (63, 333343865), (105, 200006319), (315, 66668773), (7151, 2936745), (9323, 2252565), (21453, 978915), (27969, 750855), (35755, 587349), (46615, 450513), (50057, 419535), (64359, 326305), (65261, 321795), (83907, 250285), (107265, 195783), (139845, 150171)]