21063416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239357}}^1$

素因数の和:239374

約数の個数: 16

約数和(自身を含む): 43084440

約数和(自身を除く): 22021024

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239357, 478714, 957428, 1914856, 2632927, 5265854, 10531708, 21063416]

約数ペア:

[(1, 21063416), (2, 10531708), (4, 5265854), (8, 2632927), (11, 1914856), (22, 957428), (44, 478714), (88, 239357)]