21023028

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1549}}^1$

素因数の和:1601

約数の個数: 72

約数和(自身を含む): 59241000

約数和(自身を除く): 38217972

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 116, 117, 156, 174, 234, 261, 348, 377, 468, 522, 754, 1044, 1131, 1508, 1549, 2262, 3098, 3393, 4524, 4647, 6196, 6786, 9294, 13572, 13941, 18588, 20137, 27882, 40274, 44921, 55764, 60411, 80548, 89842, 120822, 134763, 179684, 181233, 241644, 269526, 362466, 404289, 539052, 583973, 724932, 808578, 1167946, 1617156, 1751919, 2335892, 3503838, 5255757, 7007676, 10511514, 21023028]

約数ペア:

[(1, 21023028), (2, 10511514), (3, 7007676), (4, 5255757), (6, 3503838), (9, 2335892), (12, 1751919), (13, 1617156), (18, 1167946), (26, 808578), (29, 724932), (36, 583973), (39, 539052), (52, 404289), (58, 362466), (78, 269526), (87, 241644), (116, 181233), (117, 179684), (156, 134763), (174, 120822), (234, 89842), (261, 80548), (348, 60411), (377, 55764), (468, 44921), (522, 40274), (754, 27882), (1044, 20137), (1131, 18588), (1508, 13941), (1549, 13572), (2262, 9294), (3098, 6786), (3393, 6196), (4524, 4647)]