21354252

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1283}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 53208960

約数和(自身を除く): 31854708

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 73, 76, 114, 146, 219, 228, 292, 438, 876, 1283, 1387, 2566, 2774, 3849, 4161, 5132, 5548, 7698, 8322, 15396, 16644, 24377, 48754, 73131, 93659, 97508, 146262, 187318, 280977, 292524, 374636, 561954, 1123908, 1779521, 3559042, 5338563, 7118084, 10677126, 21354252]

約数ペア:

[(1, 21354252), (2, 10677126), (3, 7118084), (4, 5338563), (6, 3559042), (12, 1779521), (19, 1123908), (38, 561954), (57, 374636), (73, 292524), (76, 280977), (114, 187318), (146, 146262), (219, 97508), (228, 93659), (292, 73131), (438, 48754), (876, 24377), (1283, 16644), (1387, 15396), (2566, 8322), (2774, 7698), (3849, 5548), (4161, 5132)]