21612120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9479}}^1$

素因数の和:9512

約数の個数: 64

約数和(自身を含む): 68256000

約数和(自身を除く): 46643880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9479, 18958, 28437, 37916, 47395, 56874, 75832, 94790, 113748, 142185, 180101, 189580, 227496, 284370, 360202, 379160, 540303, 568740, 720404, 900505, 1080606, 1137480, 1440808, 1801010, 2161212, 2701515, 3602020, 4322424, 5403030, 7204040, 10806060, 21612120]

約数ペア:

[(1, 21612120), (2, 10806060), (3, 7204040), (4, 5403030), (5, 4322424), (6, 3602020), (8, 2701515), (10, 2161212), (12, 1801010), (15, 1440808), (19, 1137480), (20, 1080606), (24, 900505), (30, 720404), (38, 568740), (40, 540303), (57, 379160), (60, 360202), (76, 284370), (95, 227496), (114, 189580), (120, 180101), (152, 142185), (190, 113748), (228, 94790), (285, 75832), (380, 56874), (456, 47395), (570, 37916), (760, 28437), (1140, 18958), (2280, 9479)]