21380130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12503}}^1$

素因数の和:12535

約数の個数: 48

約数和(自身を含む): 58518720

約数和(自身を除く): 37138590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 12503, 25006, 37509, 62515, 75018, 112527, 125030, 187545, 225054, 237557, 375090, 475114, 562635, 712671, 1125270, 1187785, 1425342, 2138013, 2375570, 3563355, 4276026, 7126710, 10690065, 21380130]

約数ペア:

[(1, 21380130), (2, 10690065), (3, 7126710), (5, 4276026), (6, 3563355), (9, 2375570), (10, 2138013), (15, 1425342), (18, 1187785), (19, 1125270), (30, 712671), (38, 562635), (45, 475114), (57, 375090), (90, 237557), (95, 225054), (114, 187545), (171, 125030), (190, 112527), (285, 75018), (342, 62515), (570, 37509), (855, 25006), (1710, 12503)]