21066152

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{313}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 40694400

約数和(自身を除く): 19628248

約数列:

[1, 2, 4, 8, 47, 94, 179, 188, 313, 358, 376, 626, 716, 1252, 1432, 2504, 8413, 14711, 16826, 29422, 33652, 56027, 58844, 67304, 112054, 117688, 224108, 448216, 2633269, 5266538, 10533076, 21066152]

約数ペア:

[(1, 21066152), (2, 10533076), (4, 5266538), (8, 2633269), (47, 448216), (94, 224108), (179, 117688), (188, 112054), (313, 67304), (358, 58844), (376, 56027), (626, 33652), (716, 29422), (1252, 16826), (1432, 14711), (2504, 8413)]