21170028

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 59351040

約数和(自身を除く): 38181012

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 23, 33, 38, 44, 46, 57, 66, 69, 76, 92, 114, 132, 138, 209, 228, 253, 276, 367, 418, 437, 506, 627, 734, 759, 836, 874, 1012, 1101, 1254, 1311, 1468, 1518, 1748, 2202, 2508, 2622, 3036, 4037, 4404, 4807, 5244, 6973, 8074, 8441, 9614, 12111, 13946, 14421, 16148, 16882, 19228, 20919, 24222, 25323, 27892, 28842, 33764, 41838, 48444, 50646, 57684, 76703, 83676, 92851, 101292, 153406, 160379, 185702, 230109, 278553, 306812, 320758, 371404, 460218, 481137, 557106, 641516, 920436, 962274, 1114212, 1764169, 1924548, 3528338, 5292507, 7056676, 10585014, 21170028]

約数ペア:

[(1, 21170028), (2, 10585014), (3, 7056676), (4, 5292507), (6, 3528338), (11, 1924548), (12, 1764169), (19, 1114212), (22, 962274), (23, 920436), (33, 641516), (38, 557106), (44, 481137), (46, 460218), (57, 371404), (66, 320758), (69, 306812), (76, 278553), (92, 230109), (114, 185702), (132, 160379), (138, 153406), (209, 101292), (228, 92851), (253, 83676), (276, 76703), (367, 57684), (418, 50646), (437, 48444), (506, 41838), (627, 33764), (734, 28842), (759, 27892), (836, 25323), (874, 24222), (1012, 20919), (1101, 19228), (1254, 16882), (1311, 16148), (1468, 14421), (1518, 13946), (1748, 12111), (2202, 9614), (2508, 8441), (2622, 8074), (3036, 6973), (4037, 5244), (4404, 4807)]