21084828

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{103357}}^1$

素因数の和:103381

約数の個数: 24

約数和(自身を含む): 52092432

約数和(自身を除く): 31007604

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 103357, 206714, 310071, 413428, 620142, 1240284, 1757069, 3514138, 5271207, 7028276, 10542414, 21084828]

約数ペア:

[(1, 21084828), (2, 10542414), (3, 7028276), (4, 5271207), (6, 3514138), (12, 1757069), (17, 1240284), (34, 620142), (51, 413428), (68, 310071), (102, 206714), (204, 103357)]