21367936

素因数分解:

$2^7\times {\mathrm{97}}^1\times {\mathrm{1721}}^1$

素因数の和:1832

約数の個数: 32

約数和(自身を含む): 43032780

約数和(自身を除く): 21664844

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 388, 776, 1552, 1721, 3104, 3442, 6208, 6884, 12416, 13768, 27536, 55072, 110144, 166937, 220288, 333874, 667748, 1335496, 2670992, 5341984, 10683968, 21367936]

約数ペア:

[(1, 21367936), (2, 10683968), (4, 5341984), (8, 2670992), (16, 1335496), (32, 667748), (64, 333874), (97, 220288), (128, 166937), (194, 110144), (388, 55072), (776, 27536), (1552, 13768), (1721, 12416), (3104, 6884), (3442, 6208)]