21758004

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{6947}}^1$

素因数の和:6989

約数の個数: 48

約数和(自身を含む): 58363200

約数和(自身を除く): 36605196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 87, 108, 116, 174, 261, 348, 522, 783, 1044, 1566, 3132, 6947, 13894, 20841, 27788, 41682, 62523, 83364, 125046, 187569, 201463, 250092, 375138, 402926, 604389, 750276, 805852, 1208778, 1813167, 2417556, 3626334, 5439501, 7252668, 10879002, 21758004]

約数ペア:

[(1, 21758004), (2, 10879002), (3, 7252668), (4, 5439501), (6, 3626334), (9, 2417556), (12, 1813167), (18, 1208778), (27, 805852), (29, 750276), (36, 604389), (54, 402926), (58, 375138), (87, 250092), (108, 201463), (116, 187569), (174, 125046), (261, 83364), (348, 62523), (522, 41682), (783, 27788), (1044, 20841), (1566, 13894), (3132, 6947)]