21439144

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3001}}^1$

素因数の和:3073

約数の個数: 32

約数和(自身を含む): 43228800

約数和(自身を除く): 21789656

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 3001, 3572, 6002, 7144, 12004, 24008, 57019, 114038, 141047, 228076, 282094, 456152, 564188, 1128376, 2679893, 5359786, 10719572, 21439144]

約数ペア:

[(1, 21439144), (2, 10719572), (4, 5359786), (8, 2679893), (19, 1128376), (38, 564188), (47, 456152), (76, 282094), (94, 228076), (152, 141047), (188, 114038), (376, 57019), (893, 24008), (1786, 12004), (3001, 7144), (3572, 6002)]