21703773

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{743}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 35997696

約数和(自身を除く): 14293923

約数列:

[1, 3, 7, 13, 21, 39, 91, 107, 273, 321, 743, 749, 1391, 2229, 2247, 4173, 5201, 9659, 9737, 15603, 28977, 29211, 67613, 79501, 202839, 238503, 556507, 1033513, 1669521, 3100539, 7234591, 21703773]

約数ペア:

[(1, 21703773), (3, 7234591), (7, 3100539), (13, 1669521), (21, 1033513), (39, 556507), (91, 238503), (107, 202839), (273, 79501), (321, 67613), (743, 29211), (749, 28977), (1391, 15603), (2229, 9737), (2247, 9659), (4173, 5201)]