21466928

素因数分解:

$2^4\times 7^1\times {\mathrm{191669}}^1$

素因数の和:191684

約数の個数: 20

約数和(自身を含む): 47534160

約数和(自身を除く): 26067232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191669, 383338, 766676, 1341683, 1533352, 2683366, 3066704, 5366732, 10733464, 21466928]

約数ペア:

[(1, 21466928), (2, 10733464), (4, 5366732), (7, 3066704), (8, 2683366), (14, 1533352), (16, 1341683), (28, 766676), (56, 383338), (112, 191669)]