21636060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18979}}^1$

素因数の和:19010

約数の個数: 48

約数和(自身を含む): 63772800

約数和(自身を除く): 42136740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18979, 37958, 56937, 75916, 94895, 113874, 189790, 227748, 284685, 360601, 379580, 569370, 721202, 1081803, 1138740, 1442404, 1803005, 2163606, 3606010, 4327212, 5409015, 7212020, 10818030, 21636060]

約数ペア:

[(1, 21636060), (2, 10818030), (3, 7212020), (4, 5409015), (5, 4327212), (6, 3606010), (10, 2163606), (12, 1803005), (15, 1442404), (19, 1138740), (20, 1081803), (30, 721202), (38, 569370), (57, 379580), (60, 360601), (76, 284685), (95, 227748), (114, 189790), (190, 113874), (228, 94895), (285, 75916), (380, 56937), (570, 37958), (1140, 18979)]