21932123720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{103}}^1\times {\mathrm{2423}}^1$

素因数の和:2576

約数の個数: 128

約数和(自身を含む): 53998963200

約数和(自身を除く): 32066839480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 103, 104, 130, 169, 206, 260, 338, 412, 515, 520, 676, 824, 845, 1030, 1339, 1352, 1690, 2060, 2197, 2423, 2678, 3380, 4120, 4394, 4846, 5356, 6695, 6760, 8788, 9692, 10712, 10985, 12115, 13390, 17407, 17576, 19384, 21970, 24230, 26780, 31499, 34814, 43940, 48460, 53560, 62998, 69628, 87035, 87880, 96920, 125996, 139256, 157495, 174070, 226291, 249569, 251992, 314990, 348140, 409487, 452582, 499138, 629980, 696280, 818974, 905164, 998276, 1131455, 1247845, 1259960, 1637948, 1810328, 1996552, 2047435, 2262910, 2495690, 3244397, 3275896, 4094870, 4525820, 4991380, 5323331, 6488794, 8189740, 9051640, 9982760, 10646662, 12977588, 16221985, 16379480, 21293324, 25955176, 26616655, 32443970, 42177161, 42586648, 53233310, 64887940, 84354322, 106466620, 129775880, 168708644, 210885805, 212933240, 337417288, 421771610, 548303093, 843543220, 1096606186, 1687086440, 2193212372, 2741515465, 4386424744, 5483030930, 10966061860, 21932123720]

約数ペア:

[(1, 21932123720), (2, 10966061860), (4, 5483030930), (5, 4386424744), (8, 2741515465), (10, 2193212372), (13, 1687086440), (20, 1096606186), (26, 843543220), (40, 548303093), (52, 421771610), (65, 337417288), (103, 212933240), (104, 210885805), (130, 168708644), (169, 129775880), (206, 106466620), (260, 84354322), (338, 64887940), (412, 53233310), (515, 42586648), (520, 42177161), (676, 32443970), (824, 26616655), (845, 25955176), (1030, 21293324), (1339, 16379480), (1352, 16221985), (1690, 12977588), (2060, 10646662), (2197, 9982760), (2423, 9051640), (2678, 8189740), (3380, 6488794), (4120, 5323331), (4394, 4991380), (4846, 4525820), (5356, 4094870), (6695, 3275896), (6760, 3244397), (8788, 2495690), (9692, 2262910), (10712, 2047435), (10985, 1996552), (12115, 1810328), (13390, 1637948), (17407, 1259960), (17576, 1247845), (19384, 1131455), (21970, 998276), (24230, 905164), (26780, 818974), (31499, 696280), (34814, 629980), (43940, 499138), (48460, 452582), (53560, 409487), (62998, 348140), (69628, 314990), (87035, 251992), (87880, 249569), (96920, 226291), (125996, 174070), (139256, 157495)]