21352464

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:354

約数の個数: 160

約数和(自身を含む): 73328640

約数和(自身を除く): 51976176

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 36, 42, 46, 48, 54, 56, 63, 69, 72, 84, 92, 108, 112, 126, 138, 144, 161, 168, 184, 189, 207, 216, 252, 276, 307, 322, 336, 368, 378, 414, 432, 483, 504, 552, 614, 621, 644, 756, 828, 921, 966, 1008, 1104, 1228, 1242, 1288, 1449, 1512, 1656, 1842, 1932, 2149, 2456, 2484, 2576, 2763, 2898, 3024, 3312, 3684, 3864, 4298, 4347, 4912, 4968, 5526, 5796, 6447, 7061, 7368, 7728, 8289, 8596, 8694, 9936, 11052, 11592, 12894, 14122, 14736, 16578, 17192, 17388, 19341, 21183, 22104, 23184, 25788, 28244, 33156, 34384, 34776, 38682, 42366, 44208, 49427, 51576, 56488, 58023, 63549, 66312, 69552, 77364, 84732, 98854, 103152, 112976, 116046, 127098, 132624, 148281, 154728, 169464, 190647, 197708, 232092, 254196, 296562, 309456, 338928, 381294, 395416, 444843, 464184, 508392, 593124, 762588, 790832, 889686, 928368, 1016784, 1186248, 1334529, 1525176, 1779372, 2372496, 2669058, 3050352, 3558744, 5338116, 7117488, 10676232, 21352464]

約数ペア:

[(1, 21352464), (2, 10676232), (3, 7117488), (4, 5338116), (6, 3558744), (7, 3050352), (8, 2669058), (9, 2372496), (12, 1779372), (14, 1525176), (16, 1334529), (18, 1186248), (21, 1016784), (23, 928368), (24, 889686), (27, 790832), (28, 762588), (36, 593124), (42, 508392), (46, 464184), (48, 444843), (54, 395416), (56, 381294), (63, 338928), (69, 309456), (72, 296562), (84, 254196), (92, 232092), (108, 197708), (112, 190647), (126, 169464), (138, 154728), (144, 148281), (161, 132624), (168, 127098), (184, 116046), (189, 112976), (207, 103152), (216, 98854), (252, 84732), (276, 77364), (307, 69552), (322, 66312), (336, 63549), (368, 58023), (378, 56488), (414, 51576), (432, 49427), (483, 44208), (504, 42366), (552, 38682), (614, 34776), (621, 34384), (644, 33156), (756, 28244), (828, 25788), (921, 23184), (966, 22104), (1008, 21183), (1104, 19341), (1228, 17388), (1242, 17192), (1288, 16578), (1449, 14736), (1512, 14122), (1656, 12894), (1842, 11592), (1932, 11052), (2149, 9936), (2456, 8694), (2484, 8596), (2576, 8289), (2763, 7728), (2898, 7368), (3024, 7061), (3312, 6447), (3684, 5796), (3864, 5526), (4298, 4968), (4347, 4912)]