21364020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39563}}^1$

素因数の和:39581

約数の個数: 48

約数和(自身を含む): 66467520

約数和(自身を除く): 45103500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39563, 79126, 118689, 158252, 197815, 237378, 356067, 395630, 474756, 593445, 712134, 791260, 1068201, 1186890, 1424268, 1780335, 2136402, 2373780, 3560670, 4272804, 5341005, 7121340, 10682010, 21364020]

約数ペア:

[(1, 21364020), (2, 10682010), (3, 7121340), (4, 5341005), (5, 4272804), (6, 3560670), (9, 2373780), (10, 2136402), (12, 1780335), (15, 1424268), (18, 1186890), (20, 1068201), (27, 791260), (30, 712134), (36, 593445), (45, 474756), (54, 395630), (60, 356067), (90, 237378), (108, 197815), (135, 158252), (180, 118689), (270, 79126), (540, 39563)]