21801480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10687}}^1$

素因数の和:10718

約数の個数: 64

約数和(自身を含む): 69258240

約数和(自身を除く): 47456760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10687, 21374, 32061, 42748, 53435, 64122, 85496, 106870, 128244, 160305, 181679, 213740, 256488, 320610, 363358, 427480, 545037, 641220, 726716, 908395, 1090074, 1282440, 1453432, 1816790, 2180148, 2725185, 3633580, 4360296, 5450370, 7267160, 10900740, 21801480]

約数ペア:

[(1, 21801480), (2, 10900740), (3, 7267160), (4, 5450370), (5, 4360296), (6, 3633580), (8, 2725185), (10, 2180148), (12, 1816790), (15, 1453432), (17, 1282440), (20, 1090074), (24, 908395), (30, 726716), (34, 641220), (40, 545037), (51, 427480), (60, 363358), (68, 320610), (85, 256488), (102, 213740), (120, 181679), (136, 160305), (170, 128244), (204, 106870), (255, 85496), (340, 64122), (408, 53435), (510, 42748), (680, 32061), (1020, 21374), (2040, 10687)]