21630078

素因数分解:

$2^1\times 3^4\times {\mathrm{133519}}^1$

素因数の和:133533

約数の個数: 20

約数和(自身を含む): 48467760

約数和(自身を除く): 26837682

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 133519, 267038, 400557, 801114, 1201671, 2403342, 3605013, 7210026, 10815039, 21630078]

約数ペア:

[(1, 21630078), (2, 10815039), (3, 7210026), (6, 3605013), (9, 2403342), (18, 1201671), (27, 801114), (54, 400557), (81, 267038), (162, 133519)]