21164374

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:733

約数の個数: 48

約数和(自身を含む): 41737680

約数和(自身を除く): 20573306

約数列:

[1, 2, 7, 11, 14, 22, 29, 49, 58, 77, 98, 154, 203, 319, 406, 539, 638, 677, 1078, 1354, 1421, 2233, 2842, 4466, 4739, 7447, 9478, 14894, 15631, 19633, 31262, 33173, 39266, 52129, 66346, 104258, 137431, 215963, 274862, 364903, 431926, 729806, 962017, 1511741, 1924034, 3023482, 10582187, 21164374]

約数ペア:

[(1, 21164374), (2, 10582187), (7, 3023482), (11, 1924034), (14, 1511741), (22, 962017), (29, 729806), (49, 431926), (58, 364903), (77, 274862), (98, 215963), (154, 137431), (203, 104258), (319, 66346), (406, 52129), (539, 39266), (638, 33173), (677, 31262), (1078, 19633), (1354, 15631), (1421, 14894), (2233, 9478), (2842, 7447), (4466, 4739)]