21258464

素因数分解:

$2^5\times {\mathrm{113}}^1\times {\mathrm{5879}}^1$

素因数の和:6002

約数の個数: 24

約数和(自身を含む): 42230160

約数和(自身を除く): 20971696

約数列:

[1, 2, 4, 8, 16, 32, 113, 226, 452, 904, 1808, 3616, 5879, 11758, 23516, 47032, 94064, 188128, 664327, 1328654, 2657308, 5314616, 10629232, 21258464]

約数ペア:

[(1, 21258464), (2, 10629232), (4, 5314616), (8, 2657308), (16, 1328654), (32, 664327), (113, 188128), (226, 94064), (452, 47032), (904, 23516), (1808, 11758), (3616, 5879)]