21213984

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{20089}}^1$

素因数の和:20113

約数の個数: 48

約数和(自身を含む): 60752160

約数和(自身を除く): 39538176

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 20089, 40178, 60267, 80356, 120534, 160712, 220979, 241068, 321424, 441958, 482136, 642848, 662937, 883916, 964272, 1325874, 1767832, 1928544, 2651748, 3535664, 5303496, 7071328, 10606992, 21213984]

約数ペア:

[(1, 21213984), (2, 10606992), (3, 7071328), (4, 5303496), (6, 3535664), (8, 2651748), (11, 1928544), (12, 1767832), (16, 1325874), (22, 964272), (24, 883916), (32, 662937), (33, 642848), (44, 482136), (48, 441958), (66, 321424), (88, 241068), (96, 220979), (132, 160712), (176, 120534), (264, 80356), (352, 60267), (528, 40178), (1056, 20089)]