21153856

素因数分解:

$2^6\times {\mathrm{383}}^1\times {\mathrm{863}}^1$

素因数の和:1258

約数の個数: 28

約数和(自身を含む): 42135552

約数和(自身を除く): 20981696

約数列:

[1, 2, 4, 8, 16, 32, 64, 383, 766, 863, 1532, 1726, 3064, 3452, 6128, 6904, 12256, 13808, 24512, 27616, 55232, 330529, 661058, 1322116, 2644232, 5288464, 10576928, 21153856]

約数ペア:

[(1, 21153856), (2, 10576928), (4, 5288464), (8, 2644232), (16, 1322116), (32, 661058), (64, 330529), (383, 55232), (766, 27616), (863, 24512), (1532, 13808), (1726, 12256), (3064, 6904), (3452, 6128)]