21119046

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3709}}^1$

素因数の和:3800

約数の個数: 32

約数和(自身を含む): 46122720

約数和(自身を除く): 25003674

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 219, 438, 949, 1898, 2847, 3709, 5694, 7418, 11127, 22254, 48217, 96434, 144651, 270757, 289302, 541514, 812271, 1624542, 3519841, 7039682, 10559523, 21119046]

約数ペア:

[(1, 21119046), (2, 10559523), (3, 7039682), (6, 3519841), (13, 1624542), (26, 812271), (39, 541514), (73, 289302), (78, 270757), (146, 144651), (219, 96434), (438, 48217), (949, 22254), (1898, 11127), (2847, 7418), (3709, 5694)]