21200382

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1489}}^1$

素因数の和:1617

約数の個数: 48

約数和(自身を含む): 52996320

約数和(自身を除く): 31795938

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 113, 126, 226, 339, 678, 791, 1017, 1489, 1582, 2034, 2373, 2978, 4467, 4746, 7119, 8934, 10423, 13401, 14238, 20846, 26802, 31269, 62538, 93807, 168257, 187614, 336514, 504771, 1009542, 1177799, 1514313, 2355598, 3028626, 3533397, 7066794, 10600191, 21200382]

約数ペア:

[(1, 21200382), (2, 10600191), (3, 7066794), (6, 3533397), (7, 3028626), (9, 2355598), (14, 1514313), (18, 1177799), (21, 1009542), (42, 504771), (63, 336514), (113, 187614), (126, 168257), (226, 93807), (339, 62538), (678, 31269), (791, 26802), (1017, 20846), (1489, 14238), (1582, 13401), (2034, 10423), (2373, 8934), (2978, 7119), (4467, 4746)]