21112400

素因数分解:

$2^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1188

約数の個数: 60

約数和(自身を含む): 51847872

約数和(自身を除く): 30735472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 188, 200, 235, 376, 400, 470, 752, 940, 1123, 1175, 1880, 2246, 2350, 3760, 4492, 4700, 5615, 8984, 9400, 11230, 17968, 18800, 22460, 28075, 44920, 52781, 56150, 89840, 105562, 112300, 211124, 224600, 263905, 422248, 449200, 527810, 844496, 1055620, 1319525, 2111240, 2639050, 4222480, 5278100, 10556200, 21112400]

約数ペア:

[(1, 21112400), (2, 10556200), (4, 5278100), (5, 4222480), (8, 2639050), (10, 2111240), (16, 1319525), (20, 1055620), (25, 844496), (40, 527810), (47, 449200), (50, 422248), (80, 263905), (94, 224600), (100, 211124), (188, 112300), (200, 105562), (235, 89840), (376, 56150), (400, 52781), (470, 44920), (752, 28075), (940, 22460), (1123, 18800), (1175, 17968), (1880, 11230), (2246, 9400), (2350, 8984), (3760, 5615), (4492, 4700)]