21106876

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{11251}}^1$

素因数の和:11329

約数の個数: 24

約数和(自身を含む): 42847616

約数和(自身を除く): 21740740

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 11251, 22502, 45004, 78757, 157514, 315028, 753817, 1507634, 3015268, 5276719, 10553438, 21106876]

約数ペア:

[(1, 21106876), (2, 10553438), (4, 5276719), (7, 3015268), (14, 1507634), (28, 753817), (67, 315028), (134, 157514), (268, 78757), (469, 45004), (938, 22502), (1876, 11251)]