21782514

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2879}}^1$

素因数の和:2994

約数の個数: 32

約数和(自身を含む): 47416320

約数和(自身を除く): 25633806

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 97, 194, 291, 582, 1261, 2522, 2879, 3783, 5758, 7566, 8637, 17274, 37427, 74854, 112281, 224562, 279263, 558526, 837789, 1675578, 3630419, 7260838, 10891257, 21782514]

約数ペア:

[(1, 21782514), (2, 10891257), (3, 7260838), (6, 3630419), (13, 1675578), (26, 837789), (39, 558526), (78, 279263), (97, 224562), (194, 112281), (291, 74854), (582, 37427), (1261, 17274), (2522, 8637), (2879, 7566), (3783, 5758)]