21486224

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43319}}^1$

素因数の和:43358

約数の個数: 20

約数和(自身を含む): 42973440

約数和(自身を除く): 21487216

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43319, 86638, 173276, 346552, 693104, 1342889, 2685778, 5371556, 10743112, 21486224]

約数ペア:

[(1, 21486224), (2, 10743112), (4, 5371556), (8, 2685778), (16, 1342889), (31, 693104), (62, 346552), (124, 173276), (248, 86638), (496, 43319)]