21856236479

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1\times {\mathrm{6367}}^1$

素因数の和:6903

約数の個数: 32

約数和(自身を含む): 27570892800

約数和(自身を除く): 5714656321

約数列:

[1, 7, 11, 77, 109, 409, 763, 1199, 2863, 4499, 6367, 8393, 31493, 44569, 44581, 70037, 312067, 490259, 490391, 694003, 2604103, 3432737, 4858021, 7634033, 18228721, 28645133, 53438231, 200515931, 283847227, 1986930589, 3122319497, 21856236479]

約数ペア:

[(1, 21856236479), (7, 3122319497), (11, 1986930589), (77, 283847227), (109, 200515931), (409, 53438231), (763, 28645133), (1199, 18228721), (2863, 7634033), (4499, 4858021), (6367, 3432737), (8393, 2604103), (31493, 694003), (44569, 490391), (44581, 490259), (70037, 312067)]