21496030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4919}}^1$

素因数の和:4968

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 21012770

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4919, 9838, 24595, 49190, 93461, 113137, 186922, 226274, 467305, 565685, 934610, 1131370, 2149603, 4299206, 10748015, 21496030]

約数ペア:

[(1, 21496030), (2, 10748015), (5, 4299206), (10, 2149603), (19, 1131370), (23, 934610), (38, 565685), (46, 467305), (95, 226274), (115, 186922), (190, 113137), (230, 93461), (437, 49190), (874, 24595), (2185, 9838), (4370, 4919)]