21477136

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{7499}}^1$

素因数の和:7686

約数の個数: 20

約数和(自身を含む): 41850000

約数和(自身を除く): 20372864

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 7499, 14998, 29996, 59992, 119984, 1342321, 2684642, 5369284, 10738568, 21477136]

約数ペア:

[(1, 21477136), (2, 10738568), (4, 5369284), (8, 2684642), (16, 1342321), (179, 119984), (358, 59992), (716, 29996), (1432, 14998), (2864, 7499)]