21230500

素因数分解:

$2^2\times 5^3\times {\mathrm{42461}}^1$

素因数の和:42480

約数の個数: 24

約数和(自身を含む): 46368504

約数和(自身を除く): 25138004

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 42461, 84922, 169844, 212305, 424610, 849220, 1061525, 2123050, 4246100, 5307625, 10615250, 21230500]

約数ペア:

[(1, 21230500), (2, 10615250), (4, 5307625), (5, 4246100), (10, 2123050), (20, 1061525), (25, 849220), (50, 424610), (100, 212305), (125, 169844), (250, 84922), (500, 42461)]