21494073

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{677}}^1$

素因数の和:1256

約数の個数: 16

約数和(自身を含む): 30265920

約数和(自身を除く): 8771847

約数列:

[1, 3, 19, 57, 557, 677, 1671, 2031, 10583, 12863, 31749, 38589, 377089, 1131267, 7164691, 21494073]

約数ペア:

[(1, 21494073), (3, 7164691), (19, 1131267), (57, 377089), (557, 38589), (677, 31749), (1671, 12863), (2031, 10583)]