21776318

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{13327}}^1$

素因数の和:13391

約数の個数: 16

約数和(自身を含む): 35185920

約数和(自身を除く): 13409602

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 13327, 26654, 253213, 506426, 573061, 1146122, 10888159, 21776318]

約数ペア:

[(1, 21776318), (2, 10888159), (19, 1146122), (38, 573061), (43, 506426), (86, 253213), (817, 26654), (1634, 13327)]