21440664

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2239}}^1$

素因数の和:2277

約数の個数: 96

約数和(自身を含む): 69888000

約数和(自身を除く): 48447336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 38, 42, 56, 57, 63, 72, 76, 84, 114, 126, 133, 152, 168, 171, 228, 252, 266, 342, 399, 456, 504, 532, 684, 798, 1064, 1197, 1368, 1596, 2239, 2394, 3192, 4478, 4788, 6717, 8956, 9576, 13434, 15673, 17912, 20151, 26868, 31346, 40302, 42541, 47019, 53736, 62692, 80604, 85082, 94038, 125384, 127623, 141057, 161208, 170164, 188076, 255246, 282114, 297787, 340328, 376152, 382869, 510492, 564228, 595574, 765738, 893361, 1020984, 1128456, 1191148, 1531476, 1786722, 2382296, 2680083, 3062952, 3573444, 5360166, 7146888, 10720332, 21440664]

約数ペア:

[(1, 21440664), (2, 10720332), (3, 7146888), (4, 5360166), (6, 3573444), (7, 3062952), (8, 2680083), (9, 2382296), (12, 1786722), (14, 1531476), (18, 1191148), (19, 1128456), (21, 1020984), (24, 893361), (28, 765738), (36, 595574), (38, 564228), (42, 510492), (56, 382869), (57, 376152), (63, 340328), (72, 297787), (76, 282114), (84, 255246), (114, 188076), (126, 170164), (133, 161208), (152, 141057), (168, 127623), (171, 125384), (228, 94038), (252, 85082), (266, 80604), (342, 62692), (399, 53736), (456, 47019), (504, 42541), (532, 40302), (684, 31346), (798, 26868), (1064, 20151), (1197, 17912), (1368, 15673), (1596, 13434), (2239, 9576), (2394, 8956), (3192, 6717), (4478, 4788)]