21849760

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:338

約数の個数: 96

約数和(自身を含む): 56745360

約数和(自身を除く): 34895600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 68, 80, 85, 116, 136, 145, 160, 170, 232, 272, 277, 290, 340, 464, 493, 544, 554, 580, 680, 928, 986, 1108, 1160, 1360, 1385, 1972, 2216, 2320, 2465, 2720, 2770, 3944, 4432, 4640, 4709, 4930, 5540, 7888, 8033, 8864, 9418, 9860, 11080, 15776, 16066, 18836, 19720, 22160, 23545, 32132, 37672, 39440, 40165, 44320, 47090, 64264, 75344, 78880, 80330, 94180, 128528, 136561, 150688, 160660, 188360, 257056, 273122, 321320, 376720, 546244, 642640, 682805, 753440, 1092488, 1285280, 1365610, 2184976, 2731220, 4369952, 5462440, 10924880, 21849760]

約数ペア:

[(1, 21849760), (2, 10924880), (4, 5462440), (5, 4369952), (8, 2731220), (10, 2184976), (16, 1365610), (17, 1285280), (20, 1092488), (29, 753440), (32, 682805), (34, 642640), (40, 546244), (58, 376720), (68, 321320), (80, 273122), (85, 257056), (116, 188360), (136, 160660), (145, 150688), (160, 136561), (170, 128528), (232, 94180), (272, 80330), (277, 78880), (290, 75344), (340, 64264), (464, 47090), (493, 44320), (544, 40165), (554, 39440), (580, 37672), (680, 32132), (928, 23545), (986, 22160), (1108, 19720), (1160, 18836), (1360, 16066), (1385, 15776), (1972, 11080), (2216, 9860), (2320, 9418), (2465, 8864), (2720, 8033), (2770, 7888), (3944, 5540), (4432, 4930), (4640, 4709)]