21697104

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 160

約数和(自身を含む): 68745600

約数和(自身を除く): 47048496

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 29, 33, 39, 44, 48, 52, 58, 66, 78, 87, 88, 104, 109, 116, 132, 143, 156, 174, 176, 208, 218, 232, 264, 286, 312, 319, 327, 348, 377, 429, 436, 464, 528, 572, 624, 638, 654, 696, 754, 858, 872, 957, 1131, 1144, 1199, 1276, 1308, 1392, 1417, 1508, 1716, 1744, 1914, 2262, 2288, 2398, 2552, 2616, 2834, 3016, 3161, 3432, 3597, 3828, 4147, 4251, 4524, 4796, 5104, 5232, 5668, 6032, 6322, 6864, 7194, 7656, 8294, 8502, 9048, 9483, 9592, 11336, 12441, 12644, 14388, 15312, 15587, 16588, 17004, 18096, 18966, 19184, 22672, 24882, 25288, 28776, 31174, 33176, 34008, 34771, 37932, 41093, 46761, 49764, 50576, 57552, 62348, 66352, 68016, 69542, 75864, 82186, 93522, 99528, 104313, 123279, 124696, 139084, 151728, 164372, 187044, 199056, 208626, 246558, 249392, 278168, 328744, 374088, 417252, 452023, 493116, 556336, 657488, 748176, 834504, 904046, 986232, 1356069, 1669008, 1808092, 1972464, 2712138, 3616184, 5424276, 7232368, 10848552, 21697104]

約数ペア:

[(1, 21697104), (2, 10848552), (3, 7232368), (4, 5424276), (6, 3616184), (8, 2712138), (11, 1972464), (12, 1808092), (13, 1669008), (16, 1356069), (22, 986232), (24, 904046), (26, 834504), (29, 748176), (33, 657488), (39, 556336), (44, 493116), (48, 452023), (52, 417252), (58, 374088), (66, 328744), (78, 278168), (87, 249392), (88, 246558), (104, 208626), (109, 199056), (116, 187044), (132, 164372), (143, 151728), (156, 139084), (174, 124696), (176, 123279), (208, 104313), (218, 99528), (232, 93522), (264, 82186), (286, 75864), (312, 69542), (319, 68016), (327, 66352), (348, 62348), (377, 57552), (429, 50576), (436, 49764), (464, 46761), (528, 41093), (572, 37932), (624, 34771), (638, 34008), (654, 33176), (696, 31174), (754, 28776), (858, 25288), (872, 24882), (957, 22672), (1131, 19184), (1144, 18966), (1199, 18096), (1276, 17004), (1308, 16588), (1392, 15587), (1417, 15312), (1508, 14388), (1716, 12644), (1744, 12441), (1914, 11336), (2262, 9592), (2288, 9483), (2398, 9048), (2552, 8502), (2616, 8294), (2834, 7656), (3016, 7194), (3161, 6864), (3432, 6322), (3597, 6032), (3828, 5668), (4147, 5232), (4251, 5104), (4524, 4796)]