21864240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{30367}}^1$

素因数の和:30386

約数の個数: 60

約数和(自身を含む): 73429824

約数和(自身を除く): 51565584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 30367, 60734, 91101, 121468, 151835, 182202, 242936, 273303, 303670, 364404, 455505, 485872, 546606, 607340, 728808, 911010, 1093212, 1214680, 1366515, 1457616, 1822020, 2186424, 2429360, 2733030, 3644040, 4372848, 5466060, 7288080, 10932120, 21864240]

約数ペア:

[(1, 21864240), (2, 10932120), (3, 7288080), (4, 5466060), (5, 4372848), (6, 3644040), (8, 2733030), (9, 2429360), (10, 2186424), (12, 1822020), (15, 1457616), (16, 1366515), (18, 1214680), (20, 1093212), (24, 911010), (30, 728808), (36, 607340), (40, 546606), (45, 485872), (48, 455505), (60, 364404), (72, 303670), (80, 273303), (90, 242936), (120, 182202), (144, 151835), (180, 121468), (240, 91101), (360, 60734), (720, 30367)]