21525714

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 56833920

約数和(自身を除く): 35308206

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 43, 58, 63, 86, 87, 126, 129, 137, 174, 203, 258, 261, 274, 301, 387, 406, 411, 522, 602, 609, 774, 822, 903, 959, 1218, 1233, 1247, 1806, 1827, 1918, 2466, 2494, 2709, 2877, 3654, 3741, 3973, 5418, 5754, 5891, 7482, 7946, 8631, 8729, 11223, 11782, 11919, 17262, 17458, 17673, 22446, 23838, 26187, 27811, 35346, 35757, 41237, 52374, 53019, 55622, 71514, 78561, 82474, 83433, 106038, 123711, 157122, 166866, 170839, 247422, 250299, 341678, 371133, 500598, 512517, 742266, 1025034, 1195873, 1537551, 2391746, 3075102, 3587619, 7175238, 10762857, 21525714]

約数ペア:

[(1, 21525714), (2, 10762857), (3, 7175238), (6, 3587619), (7, 3075102), (9, 2391746), (14, 1537551), (18, 1195873), (21, 1025034), (29, 742266), (42, 512517), (43, 500598), (58, 371133), (63, 341678), (86, 250299), (87, 247422), (126, 170839), (129, 166866), (137, 157122), (174, 123711), (203, 106038), (258, 83433), (261, 82474), (274, 78561), (301, 71514), (387, 55622), (406, 53019), (411, 52374), (522, 41237), (602, 35757), (609, 35346), (774, 27811), (822, 26187), (903, 23838), (959, 22446), (1218, 17673), (1233, 17458), (1247, 17262), (1806, 11919), (1827, 11782), (1918, 11223), (2466, 8729), (2494, 8631), (2709, 7946), (2877, 7482), (3654, 5891), (3741, 5754), (3973, 5418)]