21000391608

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{125002331}}^1$

素因数の和:125002347

約数の個数: 32

約数和(自身を含む): 60001119360

約数和(自身を除く): 39000727752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 125002331, 250004662, 375006993, 500009324, 750013986, 875016317, 1000018648, 1500027972, 1750032634, 2625048951, 3000055944, 3500065268, 5250097902, 7000130536, 10500195804, 21000391608]

約数ペア:

[(1, 21000391608), (2, 10500195804), (3, 7000130536), (4, 5250097902), (6, 3500065268), (7, 3000055944), (8, 2625048951), (12, 1750032634), (14, 1500027972), (21, 1000018648), (24, 875016317), (28, 750013986), (42, 500009324), (56, 375006993), (84, 250004662), (168, 125002331)]