21783344

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2029}}^1$

素因数の和:2109

約数の個数: 40

約数和(自身を含む): 46819920

約数和(自身を除く): 25036576

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 244, 488, 671, 976, 1342, 2029, 2684, 4058, 5368, 8116, 10736, 16232, 22319, 32464, 44638, 89276, 123769, 178552, 247538, 357104, 495076, 990152, 1361459, 1980304, 2722918, 5445836, 10891672, 21783344]

約数ペア:

[(1, 21783344), (2, 10891672), (4, 5445836), (8, 2722918), (11, 1980304), (16, 1361459), (22, 990152), (44, 495076), (61, 357104), (88, 247538), (122, 178552), (176, 123769), (244, 89276), (488, 44638), (671, 32464), (976, 22319), (1342, 16232), (2029, 10736), (2684, 8116), (4058, 5368)]