21046768

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42433}}^1$

素因数の和:42472

約数の個数: 20

約数和(自身を含む): 42094528

約数和(自身を除く): 21047760

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42433, 84866, 169732, 339464, 678928, 1315423, 2630846, 5261692, 10523384, 21046768]

約数ペア:

[(1, 21046768), (2, 10523384), (4, 5261692), (8, 2630846), (16, 1315423), (31, 678928), (62, 339464), (124, 169732), (248, 84866), (496, 42433)]