21788676

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1$

素因数の和:775

約数の個数: 120

約数和(自身を含む): 70199360

約数和(自身を除く): 48410684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 234, 252, 273, 324, 351, 364, 378, 468, 546, 567, 702, 739, 756, 819, 1053, 1092, 1134, 1404, 1478, 1638, 2106, 2217, 2268, 2457, 2956, 3276, 4212, 4434, 4914, 5173, 6651, 7371, 8868, 9607, 9828, 10346, 13302, 14742, 15519, 19214, 19953, 20692, 26604, 28821, 29484, 31038, 38428, 39906, 46557, 57642, 59859, 62076, 67249, 79812, 86463, 93114, 115284, 119718, 134498, 139671, 172926, 186228, 201747, 239436, 259389, 268996, 279342, 345852, 403494, 419013, 518778, 558684, 605241, 778167, 806988, 838026, 1037556, 1210482, 1556334, 1676052, 1815723, 2420964, 3112668, 3631446, 5447169, 7262892, 10894338, 21788676]

約数ペア:

[(1, 21788676), (2, 10894338), (3, 7262892), (4, 5447169), (6, 3631446), (7, 3112668), (9, 2420964), (12, 1815723), (13, 1676052), (14, 1556334), (18, 1210482), (21, 1037556), (26, 838026), (27, 806988), (28, 778167), (36, 605241), (39, 558684), (42, 518778), (52, 419013), (54, 403494), (63, 345852), (78, 279342), (81, 268996), (84, 259389), (91, 239436), (108, 201747), (117, 186228), (126, 172926), (156, 139671), (162, 134498), (182, 119718), (189, 115284), (234, 93114), (252, 86463), (273, 79812), (324, 67249), (351, 62076), (364, 59859), (378, 57642), (468, 46557), (546, 39906), (567, 38428), (702, 31038), (739, 29484), (756, 28821), (819, 26604), (1053, 20692), (1092, 19953), (1134, 19214), (1404, 15519), (1478, 14742), (1638, 13302), (2106, 10346), (2217, 9828), (2268, 9607), (2457, 8868), (2956, 7371), (3276, 6651), (4212, 5173), (4434, 4914)]