21000748

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{3407}}^1$

素因数の和:3501

約数の個数: 24

約数和(自身を含む): 38932992

約数和(自身を除く): 17932244

約数列:

[1, 2, 4, 23, 46, 67, 92, 134, 268, 1541, 3082, 3407, 6164, 6814, 13628, 78361, 156722, 228269, 313444, 456538, 913076, 5250187, 10500374, 21000748]

約数ペア:

[(1, 21000748), (2, 10500374), (4, 5250187), (23, 913076), (46, 456538), (67, 313444), (92, 228269), (134, 156722), (268, 78361), (1541, 13628), (3082, 6814), (3407, 6164)]