21671043

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1499}}^1$

素因数の和:1642

約数の個数: 16

約数和(自身を含む): 29760000

約数和(自身を除く): 8088957

約数列:

[1, 3, 61, 79, 183, 237, 1499, 4497, 4819, 14457, 91439, 118421, 274317, 355263, 7223681, 21671043]

約数ペア:

[(1, 21671043), (3, 7223681), (61, 355263), (79, 274317), (183, 118421), (237, 91439), (1499, 14457), (4497, 4819)]