21149466

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11789}}^1$

素因数の和:11830

約数の個数: 32

約数和(自身を含む): 47537280

約数和(自身を除く): 26387814

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 11789, 23578, 35367, 70734, 153257, 271147, 306514, 459771, 542294, 813441, 919542, 1626882, 3524911, 7049822, 10574733, 21149466]

約数ペア:

[(1, 21149466), (2, 10574733), (3, 7049822), (6, 3524911), (13, 1626882), (23, 919542), (26, 813441), (39, 542294), (46, 459771), (69, 306514), (78, 271147), (138, 153257), (299, 70734), (598, 35367), (897, 23578), (1794, 11789)]