21875271

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{10867}}^1$

素因数の和:10942

約数の個数: 16

約数和(自身を含む): 32343168

約数和(自身を除く): 10467897

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 10867, 32601, 119537, 358611, 662887, 1988661, 7291757, 21875271]

約数ペア:

[(1, 21875271), (3, 7291757), (11, 1988661), (33, 662887), (61, 358611), (183, 119537), (671, 32601), (2013, 10867)]