21759804

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{54949}}^1$

素因数の和:54970

約数の個数: 36

約数和(自身を含む): 60005400

約数和(自身を除く): 38245596

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 54949, 109898, 164847, 219796, 329694, 494541, 604439, 659388, 989082, 1208878, 1813317, 1978164, 2417756, 3626634, 5439951, 7253268, 10879902, 21759804]

約数ペア:

[(1, 21759804), (2, 10879902), (3, 7253268), (4, 5439951), (6, 3626634), (9, 2417756), (11, 1978164), (12, 1813317), (18, 1208878), (22, 989082), (33, 659388), (36, 604439), (44, 494541), (66, 329694), (99, 219796), (132, 164847), (198, 109898), (396, 54949)]