21820356

素因数分解:

$2^2\times 3^2\times {\mathrm{606121}}^1$

素因数の和:606131

約数の個数: 18

約数和(自身を含む): 55157102

約数和(自身を除く): 33336746

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 606121, 1212242, 1818363, 2424484, 3636726, 5455089, 7273452, 10910178, 21820356]

約数ペア:

[(1, 21820356), (2, 10910178), (3, 7273452), (4, 5455089), (6, 3636726), (9, 2424484), (12, 1818363), (18, 1212242), (36, 606121)]