21585710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1103}}^1$

素因数の和:1232

約数の個数: 32

約数和(自身を含む): 41333760

約数和(自身を除く): 19748050

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 190, 206, 515, 1030, 1103, 1957, 2206, 3914, 5515, 9785, 11030, 19570, 20957, 41914, 104785, 113609, 209570, 227218, 568045, 1136090, 2158571, 4317142, 10792855, 21585710]

約数ペア:

[(1, 21585710), (2, 10792855), (5, 4317142), (10, 2158571), (19, 1136090), (38, 568045), (95, 227218), (103, 209570), (190, 113609), (206, 104785), (515, 41914), (1030, 20957), (1103, 19570), (1957, 11030), (2206, 9785), (3914, 5515)]