21307468

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{58537}}^1$

素因数の和:58561

約数の個数: 24

約数和(自身を含む): 45893792

約数和(自身を除く): 24586324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 58537, 117074, 234148, 409759, 760981, 819518, 1521962, 1639036, 3043924, 5326867, 10653734, 21307468]

約数ペア:

[(1, 21307468), (2, 10653734), (4, 5326867), (7, 3043924), (13, 1639036), (14, 1521962), (26, 819518), (28, 760981), (52, 409759), (91, 234148), (182, 117074), (364, 58537)]