21553530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31237}}^1$

素因数の和:31270

約数の個数: 32

約数和(自身を含む): 53979264

約数和(自身を除く): 32425734

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 31237, 62474, 93711, 156185, 187422, 312370, 468555, 718451, 937110, 1436902, 2155353, 3592255, 4310706, 7184510, 10776765, 21553530]

約数ペア:

[(1, 21553530), (2, 10776765), (3, 7184510), (5, 4310706), (6, 3592255), (10, 2155353), (15, 1436902), (23, 937110), (30, 718451), (46, 468555), (69, 312370), (115, 187422), (138, 156185), (230, 93711), (345, 62474), (690, 31237)]