21318894

素因数分解:

$2^1\times 3^2\times {\mathrm{107}}^1\times {\mathrm{11069}}^1$

素因数の和:11184

約数の個数: 24

約数和(自身を含む): 46626840

約数和(自身を除く): 25307946

約数列:

[1, 2, 3, 6, 9, 18, 107, 214, 321, 642, 963, 1926, 11069, 22138, 33207, 66414, 99621, 199242, 1184383, 2368766, 3553149, 7106298, 10659447, 21318894]

約数ペア:

[(1, 21318894), (2, 10659447), (3, 7106298), (6, 3553149), (9, 2368766), (18, 1184383), (107, 199242), (214, 99621), (321, 66414), (642, 33207), (963, 22138), (1926, 11069)]