21836080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38993}}^1$

素因数の和:39013

約数の個数: 40

約数和(自身を含む): 58023072

約数和(自身を除く): 36186992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38993, 77986, 155972, 194965, 272951, 311944, 389930, 545902, 623888, 779860, 1091804, 1364755, 1559720, 2183608, 2729510, 3119440, 4367216, 5459020, 10918040, 21836080]

約数ペア:

[(1, 21836080), (2, 10918040), (4, 5459020), (5, 4367216), (7, 3119440), (8, 2729510), (10, 2183608), (14, 1559720), (16, 1364755), (20, 1091804), (28, 779860), (35, 623888), (40, 545902), (56, 389930), (70, 311944), (80, 272951), (112, 194965), (140, 155972), (280, 77986), (560, 38993)]