21000279792

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{13397}}^1$

素因数の和:13555

約数の個数: 120

約数和(自身を含む): 58143997296

約数和(自身を除く): 37143717504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 113, 136, 204, 226, 272, 289, 339, 408, 452, 578, 678, 816, 867, 904, 1156, 1356, 1734, 1808, 1921, 2312, 2712, 3468, 3842, 4624, 5424, 5763, 6936, 7684, 11526, 13397, 13872, 15368, 23052, 26794, 30736, 32657, 40191, 46104, 53588, 65314, 80382, 92208, 97971, 107176, 130628, 160764, 195942, 214352, 227749, 261256, 321528, 391884, 455498, 522512, 643056, 683247, 783768, 910996, 1366494, 1513861, 1567536, 1821992, 2732988, 3027722, 3643984, 3871733, 4541583, 5465976, 6055444, 7743466, 9083166, 10931952, 11615199, 12110888, 15486932, 18166332, 23230398, 24221776, 25735637, 30973864, 36332664, 46460796, 51471274, 61947728, 72665328, 77206911, 92921592, 102942548, 154413822, 185843184, 205885096, 308827644, 411770192, 437505829, 617655288, 875011658, 1235310576, 1312517487, 1750023316, 2625034974, 3500046632, 5250069948, 7000093264, 10500139896, 21000279792]

約数ペア:

[(1, 21000279792), (2, 10500139896), (3, 7000093264), (4, 5250069948), (6, 3500046632), (8, 2625034974), (12, 1750023316), (16, 1312517487), (17, 1235310576), (24, 875011658), (34, 617655288), (48, 437505829), (51, 411770192), (68, 308827644), (102, 205885096), (113, 185843184), (136, 154413822), (204, 102942548), (226, 92921592), (272, 77206911), (289, 72665328), (339, 61947728), (408, 51471274), (452, 46460796), (578, 36332664), (678, 30973864), (816, 25735637), (867, 24221776), (904, 23230398), (1156, 18166332), (1356, 15486932), (1734, 12110888), (1808, 11615199), (1921, 10931952), (2312, 9083166), (2712, 7743466), (3468, 6055444), (3842, 5465976), (4624, 4541583), (5424, 3871733), (5763, 3643984), (6936, 3027722), (7684, 2732988), (11526, 1821992), (13397, 1567536), (13872, 1513861), (15368, 1366494), (23052, 910996), (26794, 783768), (30736, 683247), (32657, 643056), (40191, 522512), (46104, 455498), (53588, 391884), (65314, 321528), (80382, 261256), (92208, 227749), (97971, 214352), (107176, 195942), (130628, 160764)]