21170550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{1249}}^1$

素因数の和:1377

約数の個数: 48

約数和(自身を含む): 53010000

約数和(自身を除く): 31839450

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 113, 150, 226, 339, 565, 678, 1130, 1249, 1695, 2498, 2825, 3390, 3747, 5650, 6245, 7494, 8475, 12490, 16950, 18735, 31225, 37470, 62450, 93675, 141137, 187350, 282274, 423411, 705685, 846822, 1411370, 2117055, 3528425, 4234110, 7056850, 10585275, 21170550]

約数ペア:

[(1, 21170550), (2, 10585275), (3, 7056850), (5, 4234110), (6, 3528425), (10, 2117055), (15, 1411370), (25, 846822), (30, 705685), (50, 423411), (75, 282274), (113, 187350), (150, 141137), (226, 93675), (339, 62450), (565, 37470), (678, 31225), (1130, 18735), (1249, 16950), (1695, 12490), (2498, 8475), (2825, 7494), (3390, 6245), (3747, 5650)]