21281536

素因数分解:

$2^8\times {\mathrm{59}}^1\times {\mathrm{1409}}^1$

素因数の和:1484

約数の個数: 36

約数和(自身を含む): 43230600

約数和(自身を除く): 21949064

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 256, 472, 944, 1409, 1888, 2818, 3776, 5636, 7552, 11272, 15104, 22544, 45088, 83131, 90176, 166262, 180352, 332524, 360704, 665048, 1330096, 2660192, 5320384, 10640768, 21281536]

約数ペア:

[(1, 21281536), (2, 10640768), (4, 5320384), (8, 2660192), (16, 1330096), (32, 665048), (59, 360704), (64, 332524), (118, 180352), (128, 166262), (236, 90176), (256, 83131), (472, 45088), (944, 22544), (1409, 15104), (1888, 11272), (2818, 7552), (3776, 5636)]