21863513

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{683}}^1$

素因数の和:976

約数の個数: 16

約数和(自身を含む): 26593920

約数和(自身を除く): 4730407

約数列:

[1, 7, 17, 119, 269, 683, 1883, 4573, 4781, 11611, 32011, 81277, 183727, 1286089, 3123359, 21863513]

約数ペア:

[(1, 21863513), (7, 3123359), (17, 1286089), (119, 183727), (269, 81277), (683, 32011), (1883, 11611), (4573, 4781)]