21006684

素因数分解:

$2^2\times 3^2\times {\mathrm{583519}}^1$

素因数の和:583529

約数の個数: 18

約数和(自身を含む): 53100320

約数和(自身を除く): 32093636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 583519, 1167038, 1750557, 2334076, 3501114, 5251671, 7002228, 10503342, 21006684]

約数ペア:

[(1, 21006684), (2, 10503342), (3, 7002228), (4, 5251671), (6, 3501114), (9, 2334076), (12, 1750557), (18, 1167038), (36, 583519)]