21572320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:153

約数の個数: 192

約数和(自身を含む): 67931136

約数和(自身を除く): 46358816

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 32, 34, 35, 40, 44, 55, 56, 68, 70, 77, 80, 85, 88, 103, 110, 112, 119, 136, 140, 154, 160, 170, 176, 187, 206, 220, 224, 238, 272, 280, 308, 340, 352, 374, 385, 412, 440, 476, 515, 544, 560, 595, 616, 680, 721, 748, 770, 824, 880, 935, 952, 1030, 1120, 1133, 1190, 1232, 1309, 1360, 1442, 1496, 1540, 1648, 1751, 1760, 1870, 1904, 2060, 2266, 2380, 2464, 2618, 2720, 2884, 2992, 3080, 3296, 3502, 3605, 3740, 3808, 4120, 4532, 4760, 5236, 5665, 5768, 5984, 6160, 6545, 7004, 7210, 7480, 7931, 8240, 8755, 9064, 9520, 10472, 11330, 11536, 12257, 12320, 13090, 14008, 14420, 14960, 15862, 16480, 17510, 18128, 19040, 19261, 20944, 22660, 23072, 24514, 26180, 28016, 28840, 29920, 31724, 35020, 36256, 38522, 39655, 41888, 45320, 49028, 52360, 56032, 57680, 61285, 63448, 70040, 77044, 79310, 90640, 96305, 98056, 104720, 115360, 122570, 126896, 134827, 140080, 154088, 158620, 181280, 192610, 196112, 209440, 245140, 253792, 269654, 280160, 308176, 317240, 385220, 392224, 490280, 539308, 616352, 634480, 674135, 770440, 980560, 1078616, 1268960, 1348270, 1540880, 1961120, 2157232, 2696540, 3081760, 4314464, 5393080, 10786160, 21572320]

約数ペア:

[(1, 21572320), (2, 10786160), (4, 5393080), (5, 4314464), (7, 3081760), (8, 2696540), (10, 2157232), (11, 1961120), (14, 1540880), (16, 1348270), (17, 1268960), (20, 1078616), (22, 980560), (28, 770440), (32, 674135), (34, 634480), (35, 616352), (40, 539308), (44, 490280), (55, 392224), (56, 385220), (68, 317240), (70, 308176), (77, 280160), (80, 269654), (85, 253792), (88, 245140), (103, 209440), (110, 196112), (112, 192610), (119, 181280), (136, 158620), (140, 154088), (154, 140080), (160, 134827), (170, 126896), (176, 122570), (187, 115360), (206, 104720), (220, 98056), (224, 96305), (238, 90640), (272, 79310), (280, 77044), (308, 70040), (340, 63448), (352, 61285), (374, 57680), (385, 56032), (412, 52360), (440, 49028), (476, 45320), (515, 41888), (544, 39655), (560, 38522), (595, 36256), (616, 35020), (680, 31724), (721, 29920), (748, 28840), (770, 28016), (824, 26180), (880, 24514), (935, 23072), (952, 22660), (1030, 20944), (1120, 19261), (1133, 19040), (1190, 18128), (1232, 17510), (1309, 16480), (1360, 15862), (1442, 14960), (1496, 14420), (1540, 14008), (1648, 13090), (1751, 12320), (1760, 12257), (1870, 11536), (1904, 11330), (2060, 10472), (2266, 9520), (2380, 9064), (2464, 8755), (2618, 8240), (2720, 7931), (2884, 7480), (2992, 7210), (3080, 7004), (3296, 6545), (3502, 6160), (3605, 5984), (3740, 5768), (3808, 5665), (4120, 5236), (4532, 4760)]