21511824

素因数分解:

$2^4\times 3^1\times {\mathrm{67}}^1\times {\mathrm{6689}}^1$

素因数の和:6767

約数の個数: 40

約数和(自身を含む): 56410080

約数和(自身を除く): 34898256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 67, 134, 201, 268, 402, 536, 804, 1072, 1608, 3216, 6689, 13378, 20067, 26756, 40134, 53512, 80268, 107024, 160536, 321072, 448163, 896326, 1344489, 1792652, 2688978, 3585304, 5377956, 7170608, 10755912, 21511824]

約数ペア:

[(1, 21511824), (2, 10755912), (3, 7170608), (4, 5377956), (6, 3585304), (8, 2688978), (12, 1792652), (16, 1344489), (24, 896326), (48, 448163), (67, 321072), (134, 160536), (201, 107024), (268, 80268), (402, 53512), (536, 40134), (804, 26756), (1072, 20067), (1608, 13378), (3216, 6689)]