21890595

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{593}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 36951552

約数和(自身を除く): 15060957

約数列:

[1, 3, 5, 15, 23, 69, 107, 115, 321, 345, 535, 593, 1605, 1779, 2461, 2965, 7383, 8895, 12305, 13639, 36915, 40917, 63451, 68195, 190353, 204585, 317255, 951765, 1459373, 4378119, 7296865, 21890595]

約数ペア:

[(1, 21890595), (3, 7296865), (5, 4378119), (15, 1459373), (23, 951765), (69, 317255), (107, 204585), (115, 190353), (321, 68195), (345, 63451), (535, 40917), (593, 36915), (1605, 13639), (1779, 12305), (2461, 8895), (2965, 7383)]