21000688254

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{27691}}^1$

素因数の和:28182

約数の個数: 96

約数和(自身を含む): 56124816384

約数和(自身を除く): 35124128130

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 463, 546, 819, 926, 1389, 1638, 2778, 3241, 4167, 6019, 6482, 8334, 9723, 12038, 18057, 19446, 27691, 29169, 36114, 42133, 54171, 55382, 58338, 83073, 84266, 108342, 126399, 166146, 193837, 249219, 252798, 359983, 379197, 387674, 498438, 581511, 719966, 758394, 1079949, 1163022, 1744533, 2159898, 2519881, 3239847, 3489066, 5039762, 6479694, 7559643, 12820933, 15119286, 22678929, 25641866, 38462799, 45357858, 76925598, 89746531, 115388397, 166672129, 179493062, 230776794, 269239593, 333344258, 500016387, 538479186, 807718779, 1000032774, 1166704903, 1500049161, 1615437558, 2333409806, 3000098322, 3500114709, 7000229418, 10500344127, 21000688254]

約数ペア:

[(1, 21000688254), (2, 10500344127), (3, 7000229418), (6, 3500114709), (7, 3000098322), (9, 2333409806), (13, 1615437558), (14, 1500049161), (18, 1166704903), (21, 1000032774), (26, 807718779), (39, 538479186), (42, 500016387), (63, 333344258), (78, 269239593), (91, 230776794), (117, 179493062), (126, 166672129), (182, 115388397), (234, 89746531), (273, 76925598), (463, 45357858), (546, 38462799), (819, 25641866), (926, 22678929), (1389, 15119286), (1638, 12820933), (2778, 7559643), (3241, 6479694), (4167, 5039762), (6019, 3489066), (6482, 3239847), (8334, 2519881), (9723, 2159898), (12038, 1744533), (18057, 1163022), (19446, 1079949), (27691, 758394), (29169, 719966), (36114, 581511), (42133, 498438), (54171, 387674), (55382, 379197), (58338, 359983), (83073, 252798), (84266, 249219), (108342, 193837), (126399, 166146)]