21869512

素因数分解:

$2^3\times 7^1\times {\mathrm{390527}}^1$

素因数の和:390540

約数の個数: 16

約数和(自身を含む): 46863360

約数和(自身を除く): 24993848

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 390527, 781054, 1562108, 2733689, 3124216, 5467378, 10934756, 21869512]

約数ペア:

[(1, 21869512), (2, 10934756), (4, 5467378), (7, 3124216), (8, 2733689), (14, 1562108), (28, 781054), (56, 390527)]