21340440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:362

約数の個数: 192

約数和(自身を含む): 80364960

約数和(自身を除く): 59024520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 51, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 110, 120, 132, 136, 153, 165, 170, 180, 187, 198, 204, 220, 255, 264, 306, 317, 330, 340, 360, 374, 396, 408, 440, 495, 510, 561, 612, 634, 660, 680, 748, 765, 792, 935, 951, 990, 1020, 1122, 1224, 1268, 1320, 1496, 1530, 1585, 1683, 1870, 1902, 1980, 2040, 2244, 2536, 2805, 2853, 3060, 3170, 3366, 3487, 3740, 3804, 3960, 4488, 4755, 5389, 5610, 5706, 6120, 6340, 6732, 6974, 7480, 7608, 8415, 9510, 10461, 10778, 11220, 11412, 12680, 13464, 13948, 14265, 16167, 16830, 17435, 19020, 20922, 21556, 22440, 22824, 26945, 27896, 28530, 31383, 32334, 33660, 34870, 38040, 41844, 43112, 48501, 52305, 53890, 57060, 59279, 62766, 64668, 67320, 69740, 80835, 83688, 97002, 104610, 107780, 114120, 118558, 125532, 129336, 139480, 156915, 161670, 177837, 194004, 209220, 215560, 237116, 242505, 251064, 296395, 313830, 323340, 355674, 388008, 418440, 474232, 485010, 533511, 592790, 627660, 646680, 711348, 889185, 970020, 1067022, 1185580, 1255320, 1422696, 1778370, 1940040, 2134044, 2371160, 2667555, 3556740, 4268088, 5335110, 7113480, 10670220, 21340440]

約数ペア:

[(1, 21340440), (2, 10670220), (3, 7113480), (4, 5335110), (5, 4268088), (6, 3556740), (8, 2667555), (9, 2371160), (10, 2134044), (11, 1940040), (12, 1778370), (15, 1422696), (17, 1255320), (18, 1185580), (20, 1067022), (22, 970020), (24, 889185), (30, 711348), (33, 646680), (34, 627660), (36, 592790), (40, 533511), (44, 485010), (45, 474232), (51, 418440), (55, 388008), (60, 355674), (66, 323340), (68, 313830), (72, 296395), (85, 251064), (88, 242505), (90, 237116), (99, 215560), (102, 209220), (110, 194004), (120, 177837), (132, 161670), (136, 156915), (153, 139480), (165, 129336), (170, 125532), (180, 118558), (187, 114120), (198, 107780), (204, 104610), (220, 97002), (255, 83688), (264, 80835), (306, 69740), (317, 67320), (330, 64668), (340, 62766), (360, 59279), (374, 57060), (396, 53890), (408, 52305), (440, 48501), (495, 43112), (510, 41844), (561, 38040), (612, 34870), (634, 33660), (660, 32334), (680, 31383), (748, 28530), (765, 27896), (792, 26945), (935, 22824), (951, 22440), (990, 21556), (1020, 20922), (1122, 19020), (1224, 17435), (1268, 16830), (1320, 16167), (1496, 14265), (1530, 13948), (1585, 13464), (1683, 12680), (1870, 11412), (1902, 11220), (1980, 10778), (2040, 10461), (2244, 9510), (2536, 8415), (2805, 7608), (2853, 7480), (3060, 6974), (3170, 6732), (3366, 6340), (3487, 6120), (3740, 5706), (3804, 5610), (3960, 5389), (4488, 4755)]