21727408

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{16361}}^1$

素因数の和:16452

約数の個数: 20

約数和(自身を含む): 42606648

約数和(自身を除く): 20879240

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 16361, 32722, 65444, 130888, 261776, 1357963, 2715926, 5431852, 10863704, 21727408]

約数ペア:

[(1, 21727408), (2, 10863704), (4, 5431852), (8, 2715926), (16, 1357963), (83, 261776), (166, 130888), (332, 65444), (664, 32722), (1328, 16361)]