21092220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3167}}^1$

素因数の和:3219

約数の個数: 72

約数和(自身を含む): 65729664

約数和(自身を除く): 44637444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3167, 3330, 6334, 6660, 9501, 12668, 15835, 19002, 28503, 31670, 38004, 47505, 57006, 63340, 95010, 114012, 117179, 142515, 190020, 234358, 285030, 351537, 468716, 570060, 585895, 703074, 1054611, 1171790, 1406148, 1757685, 2109222, 2343580, 3515370, 4218444, 5273055, 7030740, 10546110, 21092220]

約数ペア:

[(1, 21092220), (2, 10546110), (3, 7030740), (4, 5273055), (5, 4218444), (6, 3515370), (9, 2343580), (10, 2109222), (12, 1757685), (15, 1406148), (18, 1171790), (20, 1054611), (30, 703074), (36, 585895), (37, 570060), (45, 468716), (60, 351537), (74, 285030), (90, 234358), (111, 190020), (148, 142515), (180, 117179), (185, 114012), (222, 95010), (333, 63340), (370, 57006), (444, 47505), (555, 38004), (666, 31670), (740, 28503), (1110, 19002), (1332, 15835), (1665, 12668), (2220, 9501), (3167, 6660), (3330, 6334)]