21755104

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 53887680

約数和(自身を除く): 32132576

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 29, 32, 34, 56, 58, 68, 112, 116, 119, 136, 197, 203, 224, 232, 238, 272, 394, 406, 464, 476, 493, 544, 788, 812, 928, 952, 986, 1379, 1576, 1624, 1904, 1972, 2758, 3152, 3248, 3349, 3451, 3808, 3944, 5516, 5713, 6304, 6496, 6698, 6902, 7888, 11032, 11426, 13396, 13804, 15776, 22064, 22852, 23443, 26792, 27608, 39991, 44128, 45704, 46886, 53584, 55216, 79982, 91408, 93772, 97121, 107168, 110432, 159964, 182816, 187544, 194242, 319928, 375088, 388484, 639856, 679847, 750176, 776968, 1279712, 1359694, 1553936, 2719388, 3107872, 5438776, 10877552, 21755104]

約数ペア:

[(1, 21755104), (2, 10877552), (4, 5438776), (7, 3107872), (8, 2719388), (14, 1553936), (16, 1359694), (17, 1279712), (28, 776968), (29, 750176), (32, 679847), (34, 639856), (56, 388484), (58, 375088), (68, 319928), (112, 194242), (116, 187544), (119, 182816), (136, 159964), (197, 110432), (203, 107168), (224, 97121), (232, 93772), (238, 91408), (272, 79982), (394, 55216), (406, 53584), (464, 46886), (476, 45704), (493, 44128), (544, 39991), (788, 27608), (812, 26792), (928, 23443), (952, 22852), (986, 22064), (1379, 15776), (1576, 13804), (1624, 13396), (1904, 11426), (1972, 11032), (2758, 7888), (3152, 6902), (3248, 6698), (3349, 6496), (3451, 6304), (3808, 5713), (3944, 5516)]