21899170

素因数分解:

$2^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{6311}}^1$

素因数の和:6665

約数の個数: 16

約数和(自身を含む): 39538368

約数和(自身を除く): 17639198

約数列:

[1, 2, 5, 10, 347, 694, 1735, 3470, 6311, 12622, 31555, 63110, 2189917, 4379834, 10949585, 21899170]

約数ペア:

[(1, 21899170), (2, 10949585), (5, 4379834), (10, 2189917), (347, 63110), (694, 31555), (1735, 12622), (3470, 6311)]