21339670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{463}}^1$

素因数の和:900

約数の個数: 32

約数和(自身を含む): 42094080

約数和(自身を除く): 20754410

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 419, 463, 838, 926, 2095, 2315, 4190, 4609, 4630, 5093, 9218, 10186, 23045, 25465, 46090, 50930, 193997, 387994, 969985, 1939970, 2133967, 4267934, 10669835, 21339670]

約数ペア:

[(1, 21339670), (2, 10669835), (5, 4267934), (10, 2133967), (11, 1939970), (22, 969985), (55, 387994), (110, 193997), (419, 50930), (463, 46090), (838, 25465), (926, 23045), (2095, 10186), (2315, 9218), (4190, 5093), (4609, 4630)]