21441365

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4019}}^1$

素因数の和:4132

約数の個数: 16

約数和(自身を含む): 28365120

約数和(自身を除く): 6923755

約数列:

[1, 5, 11, 55, 97, 485, 1067, 4019, 5335, 20095, 44209, 221045, 389843, 1949215, 4288273, 21441365]

約数ペア:

[(1, 21441365), (5, 4288273), (11, 1949215), (55, 389843), (97, 221045), (485, 44209), (1067, 20095), (4019, 5335)]