21018570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10457}}^1$

素因数の和:10534

約数の個数: 32

約数和(自身を含む): 51202368

約数和(自身を除く): 30183798

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 10457, 20914, 31371, 52285, 62742, 104570, 156855, 313710, 700619, 1401238, 2101857, 3503095, 4203714, 7006190, 10509285, 21018570]

約数ペア:

[(1, 21018570), (2, 10509285), (3, 7006190), (5, 4203714), (6, 3503095), (10, 2101857), (15, 1401238), (30, 700619), (67, 313710), (134, 156855), (201, 104570), (335, 62742), (402, 52285), (670, 31371), (1005, 20914), (2010, 10457)]