21615438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{21317}}^1$

素因数の和:21348

約数の個数: 24

約数和(自身を含む): 46814328

約数和(自身を除く): 25198890

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 21317, 42634, 63951, 127902, 277121, 554242, 831363, 1662726, 3602573, 7205146, 10807719, 21615438]

約数ペア:

[(1, 21615438), (2, 10807719), (3, 7205146), (6, 3602573), (13, 1662726), (26, 831363), (39, 554242), (78, 277121), (169, 127902), (338, 63951), (507, 42634), (1014, 21317)]