21470840

素因数分解:

$2^3\times 5^1\times {\mathrm{536771}}^1$

素因数の和:536782

約数の個数: 16

約数和(自身を含む): 48309480

約数和(自身を除く): 26838640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 536771, 1073542, 2147084, 2683855, 4294168, 5367710, 10735420, 21470840]

約数ペア:

[(1, 21470840), (2, 10735420), (4, 5367710), (5, 4294168), (8, 2683855), (10, 2147084), (20, 1073542), (40, 536771)]