21693098

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{81553}}^1$

素因数の和:81581

約数の個数: 16

約数和(自身を含む): 39145920

約数和(自身を除く): 17452822

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 81553, 163106, 570871, 1141742, 1549507, 3099014, 10846549, 21693098]

約数ペア:

[(1, 21693098), (2, 10846549), (7, 3099014), (14, 1549507), (19, 1141742), (38, 570871), (133, 163106), (266, 81553)]