21399486

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1117}}^1$

素因数の和:1256

約数の個数: 32

約数和(自身を含む): 44648448

約数和(自身を除く): 23248962

約数列:

[1, 2, 3, 6, 31, 62, 93, 103, 186, 206, 309, 618, 1117, 2234, 3193, 3351, 6386, 6702, 9579, 19158, 34627, 69254, 103881, 115051, 207762, 230102, 345153, 690306, 3566581, 7133162, 10699743, 21399486]

約数ペア:

[(1, 21399486), (2, 10699743), (3, 7133162), (6, 3566581), (31, 690306), (62, 345153), (93, 230102), (103, 207762), (186, 115051), (206, 103881), (309, 69254), (618, 34627), (1117, 19158), (2234, 9579), (3193, 6702), (3351, 6386)]