21946235

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 7913605

約数列:

[1, 5, 17, 19, 85, 95, 107, 127, 323, 535, 635, 1615, 1819, 2033, 2159, 2413, 9095, 10165, 10795, 12065, 13589, 34561, 41021, 67945, 172805, 205105, 231013, 258191, 1155065, 1290955, 4389247, 21946235]

約数ペア:

[(1, 21946235), (5, 4389247), (17, 1290955), (19, 1155065), (85, 258191), (95, 231013), (107, 205105), (127, 172805), (323, 67945), (535, 41021), (635, 34561), (1615, 13589), (1819, 12065), (2033, 10795), (2159, 10165), (2413, 9095)]