21070946

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 35659008

約数和(自身を除く): 14588062

約数列:

[1, 2, 13, 26, 43, 47, 86, 94, 401, 559, 611, 802, 1118, 1222, 2021, 4042, 5213, 10426, 17243, 18847, 26273, 34486, 37694, 52546, 224159, 245011, 448318, 490022, 810421, 1620842, 10535473, 21070946]

約数ペア:

[(1, 21070946), (2, 10535473), (13, 1620842), (26, 810421), (43, 490022), (47, 448318), (86, 245011), (94, 224159), (401, 52546), (559, 37694), (611, 34486), (802, 26273), (1118, 18847), (1222, 17243), (2021, 10426), (4042, 5213)]