21279468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 60928000

約数和(自身を除く): 39648532

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 67, 76, 84, 114, 133, 134, 199, 201, 228, 266, 268, 398, 399, 402, 469, 532, 597, 796, 798, 804, 938, 1194, 1273, 1393, 1407, 1596, 1876, 2388, 2546, 2786, 2814, 3781, 3819, 4179, 5092, 5572, 5628, 7562, 7638, 8358, 8911, 11343, 13333, 15124, 15276, 16716, 17822, 22686, 26467, 26666, 26733, 35644, 39999, 45372, 52934, 53332, 53466, 79401, 79998, 93331, 105868, 106932, 158802, 159996, 186662, 253327, 279993, 317604, 373324, 506654, 559986, 759981, 1013308, 1119972, 1519962, 1773289, 3039924, 3546578, 5319867, 7093156, 10639734, 21279468]

約数ペア:

[(1, 21279468), (2, 10639734), (3, 7093156), (4, 5319867), (6, 3546578), (7, 3039924), (12, 1773289), (14, 1519962), (19, 1119972), (21, 1013308), (28, 759981), (38, 559986), (42, 506654), (57, 373324), (67, 317604), (76, 279993), (84, 253327), (114, 186662), (133, 159996), (134, 158802), (199, 106932), (201, 105868), (228, 93331), (266, 79998), (268, 79401), (398, 53466), (399, 53332), (402, 52934), (469, 45372), (532, 39999), (597, 35644), (796, 26733), (798, 26666), (804, 26467), (938, 22686), (1194, 17822), (1273, 16716), (1393, 15276), (1407, 15124), (1596, 13333), (1876, 11343), (2388, 8911), (2546, 8358), (2786, 7638), (2814, 7562), (3781, 5628), (3819, 5572), (4179, 5092)]