21073672

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1367}}^1$

素因数の和:1461

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 20294648

約数列:

[1, 2, 4, 8, 41, 47, 82, 94, 164, 188, 328, 376, 1367, 1927, 2734, 3854, 5468, 7708, 10936, 15416, 56047, 64249, 112094, 128498, 224188, 256996, 448376, 513992, 2634209, 5268418, 10536836, 21073672]

約数ペア:

[(1, 21073672), (2, 10536836), (4, 5268418), (8, 2634209), (41, 513992), (47, 448376), (82, 256996), (94, 224188), (164, 128498), (188, 112094), (328, 64249), (376, 56047), (1367, 15416), (1927, 10936), (2734, 7708), (3854, 5468)]