10221981

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 19077120

約数和(自身を除く): 8855139

約数列:

[1, 3, 7, 11, 17, 19, 21, 33, 51, 57, 77, 119, 133, 137, 187, 209, 231, 323, 357, 399, 411, 561, 627, 959, 969, 1309, 1463, 1507, 2261, 2329, 2603, 2877, 3553, 3927, 4389, 4521, 6783, 6987, 7809, 10549, 10659, 16303, 18221, 24871, 25619, 28633, 31647, 44251, 48909, 54663, 74613, 76857, 85899, 132753, 179333, 200431, 309757, 486761, 537999, 601293, 929271, 1460283, 3407327, 10221981]

約数ペア:

[(1, 10221981), (3, 3407327), (7, 1460283), (11, 929271), (17, 601293), (19, 537999), (21, 486761), (33, 309757), (51, 200431), (57, 179333), (77, 132753), (119, 85899), (133, 76857), (137, 74613), (187, 54663), (209, 48909), (231, 44251), (323, 31647), (357, 28633), (399, 25619), (411, 24871), (561, 18221), (627, 16303), (959, 10659), (969, 10549), (1309, 7809), (1463, 6987), (1507, 6783), (2261, 4521), (2329, 4389), (2603, 3927), (2877, 3553)]