21269677

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2521}}^1$

素因数の和:2604

約数の個数: 16

約数和(自身を含む): 25421760

約数和(自身を除く): 4152083

約数列:

[1, 11, 13, 59, 143, 649, 767, 2521, 8437, 27731, 32773, 148739, 360503, 1636129, 1933607, 21269677]

約数ペア:

[(1, 21269677), (11, 1933607), (13, 1636129), (59, 360503), (143, 148739), (649, 32773), (767, 27731), (2521, 8437)]