21396582

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10709}}^1$

素因数の和:10757

約数の個数: 32

約数和(自身を含む): 48837600

約数和(自身を除く): 27441018

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10709, 21418, 32127, 64254, 96381, 192762, 289143, 396233, 578286, 792466, 1188699, 2377398, 3566097, 7132194, 10698291, 21396582]

約数ペア:

[(1, 21396582), (2, 10698291), (3, 7132194), (6, 3566097), (9, 2377398), (18, 1188699), (27, 792466), (37, 578286), (54, 396233), (74, 289143), (111, 192762), (222, 96381), (333, 64254), (666, 32127), (999, 21418), (1998, 10709)]