21298356

素因数分解:

$2^2\times 3^3\times {\mathrm{197207}}^1$

素因数の和:197220

約数の個数: 24

約数和(自身を含む): 55218240

約数和(自身を除く): 33919884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 197207, 394414, 591621, 788828, 1183242, 1774863, 2366484, 3549726, 5324589, 7099452, 10649178, 21298356]

約数ペア:

[(1, 21298356), (2, 10649178), (3, 7099452), (4, 5324589), (6, 3549726), (9, 2366484), (12, 1774863), (18, 1183242), (27, 788828), (36, 591621), (54, 394414), (108, 197207)]