21971021279

素因数分解:

${\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1\times {\mathrm{15877}}^1$

素因数の和:16490

約数の個数: 16

約数和(自身を含む): 23317795680

約数和(自身を除く): 1346774401

約数列:

[1, 19, 173, 421, 3287, 7999, 15877, 72833, 301663, 1383827, 2746721, 6684217, 52187699, 127000123, 1156369541, 21971021279]

約数ペア:

[(1, 21971021279), (19, 1156369541), (173, 127000123), (421, 52187699), (3287, 6684217), (7999, 2746721), (15877, 1383827), (72833, 301663)]