21410264

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1783}}^1$

素因数の和:1887

約数の個数: 32

約数和(自身を含む): 42816000

約数和(自身を除く): 21405736

約数列:

[1, 2, 4, 8, 19, 38, 76, 79, 152, 158, 316, 632, 1501, 1783, 3002, 3566, 6004, 7132, 12008, 14264, 33877, 67754, 135508, 140857, 271016, 281714, 563428, 1126856, 2676283, 5352566, 10705132, 21410264]

約数ペア:

[(1, 21410264), (2, 10705132), (4, 5352566), (8, 2676283), (19, 1126856), (38, 563428), (76, 281714), (79, 271016), (152, 140857), (158, 135508), (316, 67754), (632, 33877), (1501, 14264), (1783, 12008), (3002, 7132), (3566, 6004)]