21045824

素因数分解:

$2^6\times {\mathrm{499}}^1\times {\mathrm{659}}^1$

素因数の和:1170

約数の個数: 28

約数和(自身を含む): 41910000

約数和(自身を除く): 20864176

約数列:

[1, 2, 4, 8, 16, 32, 64, 499, 659, 998, 1318, 1996, 2636, 3992, 5272, 7984, 10544, 15968, 21088, 31936, 42176, 328841, 657682, 1315364, 2630728, 5261456, 10522912, 21045824]

約数ペア:

[(1, 21045824), (2, 10522912), (4, 5261456), (8, 2630728), (16, 1315364), (32, 657682), (64, 328841), (499, 42176), (659, 31936), (998, 21088), (1318, 15968), (1996, 10544), (2636, 7984), (3992, 5272)]