21930180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19237}}^1$

素因数の和:19268

約数の個数: 48

約数和(自身を含む): 64639680

約数和(自身を除く): 42709500

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, 19237, 38474, 57711, 76948, 96185, 115422, 192370, 230844, 288555, 365503, 384740, 577110, 731006, 1096509, 1154220, 1462012, 1827515, 2193018, 3655030, 4386036, 5482545, 7310060, 10965090, 21930180]

約数ペア:

[(1, 21930180), (2, 10965090), (3, 7310060), (4, 5482545), (5, 4386036), (6, 3655030), (10, 2193018), (12, 1827515), (15, 1462012), (19, 1154220), (20, 1096509), (30, 731006), (38, 577110), (57, 384740), (60, 365503), (76, 288555), (95, 230844), (114, 192370), (190, 115422), (228, 96185), (285, 76948), (380, 57711), (570, 38474), (1140, 19237)]