216153421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{1291}}^1$

素因数の和:1824

約数の個数: 16

約数和(自身を含む): 244094976

約数和(自身を除く): 27941555

約数列:

[1, 11, 31, 341, 491, 1291, 5401, 14201, 15221, 40021, 167431, 440231, 633881, 6972691, 19650311, 216153421]

約数ペア:

[(1, 216153421), (11, 19650311), (31, 6972691), (341, 633881), (491, 440231), (1291, 167431), (5401, 40021), (14201, 15221)]