21586268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3581}}^1$

素因数の和:3733

約数の個数: 24

約数和(自身を含む): 41522544

約数和(自身を除く): 19936276

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 548, 1507, 3014, 3581, 6028, 7162, 14324, 39391, 78782, 157564, 490597, 981194, 1962388, 5396567, 10793134, 21586268]

約数ペア:

[(1, 21586268), (2, 10793134), (4, 5396567), (11, 1962388), (22, 981194), (44, 490597), (137, 157564), (274, 78782), (548, 39391), (1507, 14324), (3014, 7162), (3581, 6028)]