21509543

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1378

約数の個数: 16

約数和(自身を含む): 24706080

約数和(自身を除く): 3196537

約数列:

[1, 11, 37, 41, 407, 451, 1289, 1517, 14179, 16687, 47693, 52849, 524623, 581339, 1955413, 21509543]

約数ペア:

[(1, 21509543), (11, 1955413), (37, 581339), (41, 524623), (407, 52849), (451, 47693), (1289, 16687), (1517, 14179)]