21866160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2939}}^1$

素因数の和:2986

約数の個数: 80

約数和(自身を含む): 69995520

約数和(自身を除く): 48129360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 2939, 3720, 5878, 7440, 8817, 11756, 14695, 17634, 23512, 29390, 35268, 44085, 47024, 58780, 70536, 88170, 91109, 117560, 141072, 176340, 182218, 235120, 273327, 352680, 364436, 455545, 546654, 705360, 728872, 911090, 1093308, 1366635, 1457744, 1822180, 2186616, 2733270, 3644360, 4373232, 5466540, 7288720, 10933080, 21866160]

約数ペア:

[(1, 21866160), (2, 10933080), (3, 7288720), (4, 5466540), (5, 4373232), (6, 3644360), (8, 2733270), (10, 2186616), (12, 1822180), (15, 1457744), (16, 1366635), (20, 1093308), (24, 911090), (30, 728872), (31, 705360), (40, 546654), (48, 455545), (60, 364436), (62, 352680), (80, 273327), (93, 235120), (120, 182218), (124, 176340), (155, 141072), (186, 117560), (240, 91109), (248, 88170), (310, 70536), (372, 58780), (465, 47024), (496, 44085), (620, 35268), (744, 29390), (930, 23512), (1240, 17634), (1488, 14695), (1860, 11756), (2480, 8817), (2939, 7440), (3720, 5878)]