21194595

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8263}}^1$

素因数の和:8296

約数の個数: 32

約数和(自身を含む): 39667200

約数和(自身を除く): 18472605

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 8263, 24789, 41315, 74367, 123945, 156997, 223101, 371835, 470991, 784985, 1115505, 1412973, 2354955, 4238919, 7064865, 21194595]

約数ペア:

[(1, 21194595), (3, 7064865), (5, 4238919), (9, 2354955), (15, 1412973), (19, 1115505), (27, 784985), (45, 470991), (57, 371835), (95, 223101), (135, 156997), (171, 123945), (285, 74367), (513, 41315), (855, 24789), (2565, 8263)]