21338376

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{18917}}^1$

素因数の和:18973

約数の個数: 32

約数和(自身を含む): 54483840

約数和(自身を除く): 33145464

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 18917, 37834, 56751, 75668, 113502, 151336, 227004, 454008, 889099, 1778198, 2667297, 3556396, 5334594, 7112792, 10669188, 21338376]

約数ペア:

[(1, 21338376), (2, 10669188), (3, 7112792), (4, 5334594), (6, 3556396), (8, 2667297), (12, 1778198), (24, 889099), (47, 454008), (94, 227004), (141, 151336), (188, 113502), (282, 75668), (376, 56751), (564, 37834), (1128, 18917)]