21056730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30517}}^1$

素因数の和:30550

約数の個数: 32

約数和(自身を含む): 52735104

約数和(自身を除く): 31678374

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 30517, 61034, 91551, 152585, 183102, 305170, 457755, 701891, 915510, 1403782, 2105673, 3509455, 4211346, 7018910, 10528365, 21056730]

約数ペア:

[(1, 21056730), (2, 10528365), (3, 7018910), (5, 4211346), (6, 3509455), (10, 2105673), (15, 1403782), (23, 915510), (30, 701891), (46, 457755), (69, 305170), (115, 183102), (138, 152585), (230, 91551), (345, 61034), (690, 30517)]