21208446

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2953}}^1$

素因数の和:2990

約数の個数: 64

約数和(自身を含む): 56716800

約数和(自身を除く): 35508354

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 171, 189, 266, 342, 378, 399, 513, 798, 1026, 1197, 2394, 2953, 3591, 5906, 7182, 8859, 17718, 20671, 26577, 41342, 53154, 56107, 62013, 79731, 112214, 124026, 159462, 168321, 186039, 336642, 372078, 392749, 504963, 558117, 785498, 1009926, 1116234, 1178247, 1514889, 2356494, 3029778, 3534741, 7069482, 10604223, 21208446]

約数ペア:

[(1, 21208446), (2, 10604223), (3, 7069482), (6, 3534741), (7, 3029778), (9, 2356494), (14, 1514889), (18, 1178247), (19, 1116234), (21, 1009926), (27, 785498), (38, 558117), (42, 504963), (54, 392749), (57, 372078), (63, 336642), (114, 186039), (126, 168321), (133, 159462), (171, 124026), (189, 112214), (266, 79731), (342, 62013), (378, 56107), (399, 53154), (513, 41342), (798, 26577), (1026, 20671), (1197, 17718), (2394, 8859), (2953, 7182), (3591, 5906)]