21764312

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 41976480

約数和(自身を除く): 20212168

約数列:

[1, 2, 4, 8, 61, 103, 122, 206, 244, 412, 433, 488, 824, 866, 1732, 3464, 6283, 12566, 25132, 26413, 44599, 50264, 52826, 89198, 105652, 178396, 211304, 356792, 2720539, 5441078, 10882156, 21764312]

約数ペア:

[(1, 21764312), (2, 10882156), (4, 5441078), (8, 2720539), (61, 356792), (103, 211304), (122, 178396), (206, 105652), (244, 89198), (412, 52826), (433, 50264), (488, 44599), (824, 26413), (866, 25132), (1732, 12566), (3464, 6283)]