21338196

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 59294592

約数和(自身を除く): 37956396

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 37, 44, 51, 66, 68, 74, 102, 111, 132, 148, 187, 204, 222, 257, 374, 407, 444, 514, 561, 629, 748, 771, 814, 1028, 1122, 1221, 1258, 1542, 1628, 1887, 2244, 2442, 2516, 2827, 3084, 3774, 4369, 4884, 5654, 6919, 7548, 8481, 8738, 9509, 11308, 13107, 13838, 16962, 17476, 19018, 20757, 26214, 27676, 28527, 33924, 38036, 41514, 48059, 52428, 57054, 83028, 96118, 104599, 114108, 144177, 161653, 192236, 209198, 288354, 313797, 323306, 418396, 484959, 576708, 627594, 646612, 969918, 1255188, 1778183, 1939836, 3556366, 5334549, 7112732, 10669098, 21338196]

約数ペア:

[(1, 21338196), (2, 10669098), (3, 7112732), (4, 5334549), (6, 3556366), (11, 1939836), (12, 1778183), (17, 1255188), (22, 969918), (33, 646612), (34, 627594), (37, 576708), (44, 484959), (51, 418396), (66, 323306), (68, 313797), (74, 288354), (102, 209198), (111, 192236), (132, 161653), (148, 144177), (187, 114108), (204, 104599), (222, 96118), (257, 83028), (374, 57054), (407, 52428), (444, 48059), (514, 41514), (561, 38036), (629, 33924), (748, 28527), (771, 27676), (814, 26214), (1028, 20757), (1122, 19018), (1221, 17476), (1258, 16962), (1542, 13838), (1628, 13107), (1887, 11308), (2244, 9509), (2442, 8738), (2516, 8481), (2827, 7548), (3084, 6919), (3774, 5654), (4369, 4884)]