21501100

素因数分解:

$2^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1693}}^1$

素因数の和:1834

約数の個数: 36

約数和(自身を含む): 47052544

約数和(自身を除く): 25551444

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 254, 508, 635, 1270, 1693, 2540, 3175, 3386, 6350, 6772, 8465, 12700, 16930, 33860, 42325, 84650, 169300, 215011, 430022, 860044, 1075055, 2150110, 4300220, 5375275, 10750550, 21501100]

約数ペア:

[(1, 21501100), (2, 10750550), (4, 5375275), (5, 4300220), (10, 2150110), (20, 1075055), (25, 860044), (50, 430022), (100, 215011), (127, 169300), (254, 84650), (508, 42325), (635, 33860), (1270, 16930), (1693, 12700), (2540, 8465), (3175, 6772), (3386, 6350)]