21069136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2029}}^1$

素因数の和:2107

約数の個数: 40

約数和(自身を含む): 45309600

約数和(自身を除く): 24240464

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 59, 88, 118, 176, 236, 472, 649, 944, 1298, 2029, 2596, 4058, 5192, 8116, 10384, 16232, 22319, 32464, 44638, 89276, 119711, 178552, 239422, 357104, 478844, 957688, 1316821, 1915376, 2633642, 5267284, 10534568, 21069136]

約数ペア:

[(1, 21069136), (2, 10534568), (4, 5267284), (8, 2633642), (11, 1915376), (16, 1316821), (22, 957688), (44, 478844), (59, 357104), (88, 239422), (118, 178552), (176, 119711), (236, 89276), (472, 44638), (649, 32464), (944, 22319), (1298, 16232), (2029, 10384), (2596, 8116), (4058, 5192)]