21875764

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3943}}^1$

素因数の和:4039

約数の個数: 24

約数和(自身を含む): 40859840

約数和(自身を除く): 18984076

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 292, 1387, 2774, 3943, 5548, 7886, 15772, 74917, 149834, 287839, 299668, 575678, 1151356, 5468941, 10937882, 21875764]

約数ペア:

[(1, 21875764), (2, 10937882), (4, 5468941), (19, 1151356), (38, 575678), (73, 299668), (76, 287839), (146, 149834), (292, 74917), (1387, 15772), (2774, 7886), (3943, 5548)]