21643456

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10909}}^1$

素因数の和:10952

約数の個数: 28

約数和(自身を含む): 44338240

約数和(自身を除く): 22694784

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10909, 21818, 43636, 87272, 174544, 338179, 349088, 676358, 698176, 1352716, 2705432, 5410864, 10821728, 21643456]

約数ペア:

[(1, 21643456), (2, 10821728), (4, 5410864), (8, 2705432), (16, 1352716), (31, 698176), (32, 676358), (62, 349088), (64, 338179), (124, 174544), (248, 87272), (496, 43636), (992, 21818), (1984, 10909)]