21000798734

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{62473}}^1\times {\mathrm{9887}}^1$

素因数の和:72379

約数の個数: 16

約数和(自身を含む): 33358117248

約数和(自身を除く): 12357318514

約数列:

[1, 2, 17, 34, 9887, 19774, 62473, 124946, 168079, 336158, 1062041, 2124082, 617670551, 1235341102, 10500399367, 21000798734]

約数ペア:

[(1, 21000798734), (2, 10500399367), (17, 1235341102), (34, 617670551), (9887, 2124082), (19774, 1062041), (62473, 336158), (124946, 168079)]