21167482

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 42024960

約数和(自身を除く): 20857478

約数列:

[1, 2, 7, 14, 17, 19, 31, 34, 38, 62, 119, 133, 151, 217, 238, 266, 302, 323, 434, 527, 589, 646, 1054, 1057, 1178, 2114, 2261, 2567, 2869, 3689, 4123, 4522, 4681, 5134, 5738, 7378, 8246, 9362, 10013, 17969, 20026, 20083, 32767, 35938, 40166, 48773, 65534, 70091, 79577, 88939, 97546, 140182, 159154, 177878, 341411, 557039, 622573, 682822, 1114078, 1245146, 1511963, 3023926, 10583741, 21167482]

約数ペア:

[(1, 21167482), (2, 10583741), (7, 3023926), (14, 1511963), (17, 1245146), (19, 1114078), (31, 682822), (34, 622573), (38, 557039), (62, 341411), (119, 177878), (133, 159154), (151, 140182), (217, 97546), (238, 88939), (266, 79577), (302, 70091), (323, 65534), (434, 48773), (527, 40166), (589, 35938), (646, 32767), (1054, 20083), (1057, 20026), (1178, 17969), (2114, 10013), (2261, 9362), (2567, 8246), (2869, 7378), (3689, 5738), (4123, 5134), (4522, 4681)]