21306200

素因数分解:

$2^3\times 5^2\times {\mathrm{106531}}^1$

素因数の和:106547

約数の個数: 24

約数和(自身を含む): 49537380

約数和(自身を除く): 28231180

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 106531, 213062, 426124, 532655, 852248, 1065310, 2130620, 2663275, 4261240, 5326550, 10653100, 21306200]

約数ペア:

[(1, 21306200), (2, 10653100), (4, 5326550), (5, 4261240), (8, 2663275), (10, 2130620), (20, 1065310), (25, 852248), (40, 532655), (50, 426124), (100, 213062), (200, 106531)]