21000480690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{100002289}}^1$

素因数の和:100002306

約数の個数: 32

約数和(自身を含む): 57601319040

約数和(自身を除く): 36600838350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 100002289, 200004578, 300006867, 500011445, 600013734, 700016023, 1000022890, 1400032046, 1500034335, 2100048069, 3000068670, 3500080115, 4200096138, 7000160230, 10500240345, 21000480690]

約数ペア:

[(1, 21000480690), (2, 10500240345), (3, 7000160230), (5, 4200096138), (6, 3500080115), (7, 3000068670), (10, 2100048069), (14, 1500034335), (15, 1400032046), (21, 1000022890), (30, 700016023), (35, 600013734), (42, 500011445), (70, 300006867), (105, 200004578), (210, 100002289)]