21898984

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{30757}}^1$

素因数の和:30852

約数の個数: 16

約数和(自身を含む): 41523300

約数和(自身を除く): 19624316

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 30757, 61514, 123028, 246056, 2737373, 5474746, 10949492, 21898984]

約数ペア:

[(1, 21898984), (2, 10949492), (4, 5474746), (8, 2737373), (89, 246056), (178, 123028), (356, 61514), (712, 30757)]