21000577656

素因数分解:

$2^3\times 3^1\times {\mathrm{137}}^1\times {\mathrm{6387037}}^1$

素因数の和:6387183

約数の個数: 32

約数和(自身を含む): 52884674640

約数和(自身を除く): 31884096984

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 137, 274, 411, 548, 822, 1096, 1644, 3288, 6387037, 12774074, 19161111, 25548148, 38322222, 51096296, 76644444, 153288888, 875024069, 1750048138, 2625072207, 3500096276, 5250144414, 7000192552, 10500288828, 21000577656]

約数ペア:

[(1, 21000577656), (2, 10500288828), (3, 7000192552), (4, 5250144414), (6, 3500096276), (8, 2625072207), (12, 1750048138), (24, 875024069), (137, 153288888), (274, 76644444), (411, 51096296), (548, 38322222), (822, 25548148), (1096, 19161111), (1644, 12774074), (3288, 6387037)]