21486728

素因数分解:

$2^3\times {\mathrm{619}}^1\times {\mathrm{4339}}^1$

素因数の和:4964

約数の個数: 16

約数和(自身を含む): 40362000

約数和(自身を除く): 18875272

約数列:

[1, 2, 4, 8, 619, 1238, 2476, 4339, 4952, 8678, 17356, 34712, 2685841, 5371682, 10743364, 21486728]

約数ペア:

[(1, 21486728), (2, 10743364), (4, 5371682), (8, 2685841), (619, 34712), (1238, 17356), (2476, 8678), (4339, 4952)]