21695466

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{278147}}^1$

素因数の和:278165

約数の個数: 16

約数和(自身を含む): 46728864

約数和(自身を除く): 25033398

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 278147, 556294, 834441, 1668882, 3615911, 7231822, 10847733, 21695466]

約数ペア:

[(1, 21695466), (2, 10847733), (3, 7231822), (6, 3615911), (13, 1668882), (26, 834441), (39, 556294), (78, 278147)]