21479469

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{12281}}^1$

素因数の和:12348

約数の個数: 16

約数和(自身を含む): 31834944

約数和(自身を除く): 10355475

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 12281, 36843, 135091, 405273, 650893, 1952679, 7159823, 21479469]

約数ペア:

[(1, 21479469), (3, 7159823), (11, 1952679), (33, 650893), (53, 405273), (159, 135091), (583, 36843), (1749, 12281)]