21192639

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{6547}}^1$

素因数の和:6646

約数の個数: 16

約数和(自身を含む): 30801792

約数和(自身を除く): 9609153

約数列:

[1, 3, 13, 39, 83, 249, 1079, 3237, 6547, 19641, 85111, 255333, 543401, 1630203, 7064213, 21192639]

約数ペア:

[(1, 21192639), (3, 7064213), (13, 1630203), (39, 543401), (83, 255333), (249, 85111), (1079, 19641), (3237, 6547)]