21145069

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1051}}^1$

素因数の和:1152

約数の個数: 16

約数和(自身を含む): 24238080

約数和(自身を除く): 3093011

約数列:

[1, 11, 31, 59, 341, 649, 1051, 1829, 11561, 20119, 32581, 62009, 358391, 682099, 1922279, 21145069]

約数ペア:

[(1, 21145069), (11, 1922279), (31, 682099), (59, 358391), (341, 62009), (649, 32581), (1051, 20119), (1829, 11561)]