21001064

素因数分解:

$2^3\times 7^1\times {\mathrm{375019}}^1$

素因数の和:375032

約数の個数: 16

約数和(自身を含む): 45002400

約数和(自身を除く): 24001336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 375019, 750038, 1500076, 2625133, 3000152, 5250266, 10500532, 21001064]

約数ペア:

[(1, 21001064), (2, 10500532), (4, 5250266), (7, 3000152), (8, 2625133), (14, 1500076), (28, 750038), (56, 375019)]