21620802

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13913}}^1$

素因数の和:13962

約数の個数: 32

約数和(自身を含む): 50758272

約数和(自身を除く): 29137470

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13913, 27826, 41739, 83478, 97391, 194782, 292173, 514781, 584346, 1029562, 1544343, 3088686, 3603467, 7206934, 10810401, 21620802]

約数ペア:

[(1, 21620802), (2, 10810401), (3, 7206934), (6, 3603467), (7, 3088686), (14, 1544343), (21, 1029562), (37, 584346), (42, 514781), (74, 292173), (111, 194782), (222, 97391), (259, 83478), (518, 41739), (777, 27826), (1554, 13913)]