21328146

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:244

約数の個数: 96

約数和(自身を含む): 56908800

約数和(自身を除く): 35580654

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 59, 63, 114, 118, 126, 133, 151, 171, 177, 266, 302, 342, 354, 399, 413, 453, 531, 798, 826, 906, 1057, 1062, 1121, 1197, 1239, 1359, 2114, 2242, 2394, 2478, 2718, 2869, 3171, 3363, 3717, 5738, 6342, 6726, 7434, 7847, 8607, 8909, 9513, 10089, 15694, 17214, 17818, 19026, 20083, 20178, 23541, 25821, 26727, 40166, 47082, 51642, 53454, 60249, 62363, 70623, 80181, 120498, 124726, 141246, 160362, 169271, 180747, 187089, 338542, 361494, 374178, 507813, 561267, 1015626, 1122534, 1184897, 1523439, 2369794, 3046878, 3554691, 7109382, 10664073, 21328146]

約数ペア:

[(1, 21328146), (2, 10664073), (3, 7109382), (6, 3554691), (7, 3046878), (9, 2369794), (14, 1523439), (18, 1184897), (19, 1122534), (21, 1015626), (38, 561267), (42, 507813), (57, 374178), (59, 361494), (63, 338542), (114, 187089), (118, 180747), (126, 169271), (133, 160362), (151, 141246), (171, 124726), (177, 120498), (266, 80181), (302, 70623), (342, 62363), (354, 60249), (399, 53454), (413, 51642), (453, 47082), (531, 40166), (798, 26727), (826, 25821), (906, 23541), (1057, 20178), (1062, 20083), (1121, 19026), (1197, 17818), (1239, 17214), (1359, 15694), (2114, 10089), (2242, 9513), (2394, 8909), (2478, 8607), (2718, 7847), (2869, 7434), (3171, 6726), (3363, 6342), (3717, 5738)]