21397324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{587}}^1\times {\mathrm{701}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 40452048

約数和(自身を除く): 19054724

約数列:

[1, 2, 4, 13, 26, 52, 587, 701, 1174, 1402, 2348, 2804, 7631, 9113, 15262, 18226, 30524, 36452, 411487, 822974, 1645948, 5349331, 10698662, 21397324]

約数ペア:

[(1, 21397324), (2, 10698662), (4, 5349331), (13, 1645948), (26, 822974), (52, 411487), (587, 36452), (701, 30524), (1174, 18226), (1402, 15262), (2348, 9113), (2804, 7631)]