21364904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2269}}^1$

素因数の和:2393

約数の個数: 32

約数和(自身を含む): 44128800

約数和(自身を除く): 22763896

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 107, 214, 428, 856, 1177, 2269, 2354, 4538, 4708, 9076, 9416, 18152, 24959, 49918, 99836, 199672, 242783, 485566, 971132, 1942264, 2670613, 5341226, 10682452, 21364904]

約数ペア:

[(1, 21364904), (2, 10682452), (4, 5341226), (8, 2670613), (11, 1942264), (22, 971132), (44, 485566), (88, 242783), (107, 199672), (214, 99836), (428, 49918), (856, 24959), (1177, 18152), (2269, 9416), (2354, 9076), (4538, 4708)]