21317122

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{619}}^1$

素因数の和:945

約数の個数: 16

約数和(自身を含む): 32631840

約数和(自身を除く): 11314718

約数列:

[1, 2, 67, 134, 257, 514, 619, 1238, 17219, 34438, 41473, 82946, 159083, 318166, 10658561, 21317122]

約数ペア:

[(1, 21317122), (2, 10658561), (67, 318166), (134, 159083), (257, 82946), (514, 41473), (619, 34438), (1238, 17219)]