21129836

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{58049}}^1$

素因数の和:58073

約数の個数: 24

約数和(自身を含む): 45511200

約数和(自身を除く): 24381364

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 58049, 116098, 232196, 406343, 754637, 812686, 1509274, 1625372, 3018548, 5282459, 10564918, 21129836]

約数ペア:

[(1, 21129836), (2, 10564918), (4, 5282459), (7, 3018548), (13, 1625372), (14, 1509274), (26, 812686), (28, 754637), (52, 406343), (91, 232196), (182, 116098), (364, 58049)]