21010262

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1723}}^1$

素因数の和:1812

約数の個数: 32

約数和(自身を含む): 39389952

約数和(自身を除く): 18379690

約数列:

[1, 2, 7, 13, 14, 26, 67, 91, 134, 182, 469, 871, 938, 1723, 1742, 3446, 6097, 12061, 12194, 22399, 24122, 44798, 115441, 156793, 230882, 313586, 808087, 1500733, 1616174, 3001466, 10505131, 21010262]

約数ペア:

[(1, 21010262), (2, 10505131), (7, 3001466), (13, 1616174), (14, 1500733), (26, 808087), (67, 313586), (91, 230882), (134, 156793), (182, 115441), (469, 44798), (871, 24122), (938, 22399), (1723, 12194), (1742, 12061), (3446, 6097)]