21159126

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{51109}}^1$

素因数の和:51140

約数の個数: 24

約数和(自身を含む): 47838960

約数和(自身を除く): 26679834

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 51109, 102218, 153327, 306654, 459981, 919962, 1175507, 2351014, 3526521, 7053042, 10579563, 21159126]

約数ペア:

[(1, 21159126), (2, 10579563), (3, 7053042), (6, 3526521), (9, 2351014), (18, 1175507), (23, 919962), (46, 459981), (69, 306654), (138, 153327), (207, 102218), (414, 51109)]