21062200

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1987}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 49918680

約数和(自身を除く): 28856480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 1987, 2120, 2650, 3974, 5300, 7948, 9935, 10600, 15896, 19870, 39740, 49675, 79480, 99350, 105311, 198700, 210622, 397400, 421244, 526555, 842488, 1053110, 2106220, 2632775, 4212440, 5265550, 10531100, 21062200]

約数ペア:

[(1, 21062200), (2, 10531100), (4, 5265550), (5, 4212440), (8, 2632775), (10, 2106220), (20, 1053110), (25, 842488), (40, 526555), (50, 421244), (53, 397400), (100, 210622), (106, 198700), (200, 105311), (212, 99350), (265, 79480), (424, 49675), (530, 39740), (1060, 19870), (1325, 15896), (1987, 10600), (2120, 9935), (2650, 7948), (3974, 5300)]