21326448

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1$

素因数の和:287

約数の個数: 120

約数和(自身を含む): 65352960

約数和(自身を除く): 44026512

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 66, 78, 88, 104, 132, 143, 156, 169, 176, 208, 239, 264, 286, 312, 338, 429, 478, 507, 528, 572, 624, 676, 717, 858, 956, 1014, 1144, 1352, 1434, 1716, 1859, 1912, 2028, 2288, 2629, 2704, 2868, 3107, 3432, 3718, 3824, 4056, 5258, 5577, 5736, 6214, 6864, 7436, 7887, 8112, 9321, 10516, 11154, 11472, 12428, 14872, 15774, 18642, 21032, 22308, 24856, 29744, 31548, 34177, 37284, 40391, 42064, 44616, 49712, 63096, 68354, 74568, 80782, 89232, 102531, 121173, 126192, 136708, 149136, 161564, 205062, 242346, 273416, 323128, 410124, 444301, 484692, 546832, 646256, 820248, 888602, 969384, 1332903, 1640496, 1777204, 1938768, 2665806, 3554408, 5331612, 7108816, 10663224, 21326448]

約数ペア:

[(1, 21326448), (2, 10663224), (3, 7108816), (4, 5331612), (6, 3554408), (8, 2665806), (11, 1938768), (12, 1777204), (13, 1640496), (16, 1332903), (22, 969384), (24, 888602), (26, 820248), (33, 646256), (39, 546832), (44, 484692), (48, 444301), (52, 410124), (66, 323128), (78, 273416), (88, 242346), (104, 205062), (132, 161564), (143, 149136), (156, 136708), (169, 126192), (176, 121173), (208, 102531), (239, 89232), (264, 80782), (286, 74568), (312, 68354), (338, 63096), (429, 49712), (478, 44616), (507, 42064), (528, 40391), (572, 37284), (624, 34177), (676, 31548), (717, 29744), (858, 24856), (956, 22308), (1014, 21032), (1144, 18642), (1352, 15774), (1434, 14872), (1716, 12428), (1859, 11472), (1912, 11154), (2028, 10516), (2288, 9321), (2629, 8112), (2704, 7887), (2868, 7436), (3107, 6864), (3432, 6214), (3718, 5736), (3824, 5577), (4056, 5258)]