21714084

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{433}}^1$

素因数の和:649

約数の個数: 72

約数和(自身を含む): 63190400

約数和(自身を除く): 41476316

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 199, 252, 398, 433, 597, 796, 866, 1194, 1299, 1393, 1732, 1791, 2388, 2598, 2786, 3031, 3582, 3897, 4179, 5196, 5572, 6062, 7164, 7794, 8358, 9093, 12124, 12537, 15588, 16716, 18186, 25074, 27279, 36372, 50148, 54558, 86167, 109116, 172334, 258501, 344668, 517002, 603169, 775503, 1034004, 1206338, 1551006, 1809507, 2412676, 3102012, 3619014, 5428521, 7238028, 10857042, 21714084]

約数ペア:

[(1, 21714084), (2, 10857042), (3, 7238028), (4, 5428521), (6, 3619014), (7, 3102012), (9, 2412676), (12, 1809507), (14, 1551006), (18, 1206338), (21, 1034004), (28, 775503), (36, 603169), (42, 517002), (63, 344668), (84, 258501), (126, 172334), (199, 109116), (252, 86167), (398, 54558), (433, 50148), (597, 36372), (796, 27279), (866, 25074), (1194, 18186), (1299, 16716), (1393, 15588), (1732, 12537), (1791, 12124), (2388, 9093), (2598, 8358), (2786, 7794), (3031, 7164), (3582, 6062), (3897, 5572), (4179, 5196)]