21799120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 60558624

約数和(自身を除く): 38759504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 67, 70, 80, 83, 98, 112, 134, 140, 166, 196, 245, 268, 280, 332, 335, 392, 415, 469, 490, 536, 560, 581, 664, 670, 784, 830, 938, 980, 1072, 1162, 1328, 1340, 1660, 1876, 1960, 2324, 2345, 2680, 2905, 3283, 3320, 3752, 3920, 4067, 4648, 4690, 5360, 5561, 5810, 6566, 6640, 7504, 8134, 9296, 9380, 11122, 11620, 13132, 16268, 16415, 18760, 20335, 22244, 23240, 26264, 27805, 32536, 32830, 37520, 38927, 40670, 44488, 46480, 52528, 55610, 65072, 65660, 77854, 81340, 88976, 111220, 131320, 155708, 162680, 194635, 222440, 262640, 272489, 311416, 325360, 389270, 444880, 544978, 622832, 778540, 1089956, 1362445, 1557080, 2179912, 2724890, 3114160, 4359824, 5449780, 10899560, 21799120]

約数ペア:

[(1, 21799120), (2, 10899560), (4, 5449780), (5, 4359824), (7, 3114160), (8, 2724890), (10, 2179912), (14, 1557080), (16, 1362445), (20, 1089956), (28, 778540), (35, 622832), (40, 544978), (49, 444880), (56, 389270), (67, 325360), (70, 311416), (80, 272489), (83, 262640), (98, 222440), (112, 194635), (134, 162680), (140, 155708), (166, 131320), (196, 111220), (245, 88976), (268, 81340), (280, 77854), (332, 65660), (335, 65072), (392, 55610), (415, 52528), (469, 46480), (490, 44488), (536, 40670), (560, 38927), (581, 37520), (664, 32830), (670, 32536), (784, 27805), (830, 26264), (938, 23240), (980, 22244), (1072, 20335), (1162, 18760), (1328, 16415), (1340, 16268), (1660, 13132), (1876, 11620), (1960, 11122), (2324, 9380), (2345, 9296), (2680, 8134), (2905, 7504), (3283, 6640), (3320, 6566), (3752, 5810), (3920, 5561), (4067, 5360), (4648, 4690)]