21764248

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2269}}^1$

素因数の和:2395

約数の個数: 32

約数和(自身を含む): 44946000

約数和(自身を除く): 23181752

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 218, 436, 872, 1199, 2269, 2398, 4538, 4796, 9076, 9592, 18152, 24959, 49918, 99836, 199672, 247321, 494642, 989284, 1978568, 2720531, 5441062, 10882124, 21764248]

約数ペア:

[(1, 21764248), (2, 10882124), (4, 5441062), (8, 2720531), (11, 1978568), (22, 989284), (44, 494642), (88, 247321), (109, 199672), (218, 99836), (436, 49918), (872, 24959), (1199, 18152), (2269, 9592), (2398, 9076), (4538, 4796)]