21695200

素因数分解:

$2^5\times 5^2\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:644

約数の個数: 72

約数和(自身を含む): 54184032

約数和(自身を除く): 32488832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 80, 94, 100, 160, 188, 200, 235, 376, 400, 470, 577, 752, 800, 940, 1154, 1175, 1504, 1880, 2308, 2350, 2885, 3760, 4616, 4700, 5770, 7520, 9232, 9400, 11540, 14425, 18464, 18800, 23080, 27119, 28850, 37600, 46160, 54238, 57700, 92320, 108476, 115400, 135595, 216952, 230800, 271190, 433904, 461600, 542380, 677975, 867808, 1084760, 1355950, 2169520, 2711900, 4339040, 5423800, 10847600, 21695200]

約数ペア:

[(1, 21695200), (2, 10847600), (4, 5423800), (5, 4339040), (8, 2711900), (10, 2169520), (16, 1355950), (20, 1084760), (25, 867808), (32, 677975), (40, 542380), (47, 461600), (50, 433904), (80, 271190), (94, 230800), (100, 216952), (160, 135595), (188, 115400), (200, 108476), (235, 92320), (376, 57700), (400, 54238), (470, 46160), (577, 37600), (752, 28850), (800, 27119), (940, 23080), (1154, 18800), (1175, 18464), (1504, 14425), (1880, 11540), (2308, 9400), (2350, 9232), (2885, 7520), (3760, 5770), (4616, 4700)]