21330216

素因数分解:

$2^3\times 3^4\times {\mathrm{32917}}^1$

素因数の和:32935

約数の個数: 40

約数和(自身を含む): 59746170

約数和(自身を除く): 38415954

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 32917, 65834, 98751, 131668, 197502, 263336, 296253, 395004, 592506, 790008, 888759, 1185012, 1777518, 2370024, 2666277, 3555036, 5332554, 7110072, 10665108, 21330216]

約数ペア:

[(1, 21330216), (2, 10665108), (3, 7110072), (4, 5332554), (6, 3555036), (8, 2666277), (9, 2370024), (12, 1777518), (18, 1185012), (24, 888759), (27, 790008), (36, 592506), (54, 395004), (72, 296253), (81, 263336), (108, 197502), (162, 131668), (216, 98751), (324, 65834), (648, 32917)]