21831213

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{6389}}^1$

素因数の和:6476

約数の個数: 16

約数和(自身を含む): 31285440

約数和(自身を除く): 9454227

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 6389, 19167, 108613, 325839, 428063, 1284189, 7277071, 21831213]

約数ペア:

[(1, 21831213), (3, 7277071), (17, 1284189), (51, 428063), (67, 325839), (201, 108613), (1139, 19167), (3417, 6389)]