21130496

素因数分解:

$2^8\times {\mathrm{59}}^1\times {\mathrm{1399}}^1$

素因数の和:1474

約数の個数: 36

約数和(自身を含む): 42924000

約数和(自身を除く): 21793504

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 256, 472, 944, 1399, 1888, 2798, 3776, 5596, 7552, 11192, 15104, 22384, 44768, 82541, 89536, 165082, 179072, 330164, 358144, 660328, 1320656, 2641312, 5282624, 10565248, 21130496]

約数ペア:

[(1, 21130496), (2, 10565248), (4, 5282624), (8, 2641312), (16, 1320656), (32, 660328), (59, 358144), (64, 330164), (118, 179072), (128, 165082), (236, 89536), (256, 82541), (472, 44768), (944, 22384), (1399, 15104), (1888, 11192), (2798, 7552), (3776, 5596)]