21380458892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{7499}}^1\times {\mathrm{54829}}^1$

素因数の和:62345

約数の個数: 24

約数和(自身を含む): 40300050000

約数和(自身を除く): 18919591108

約数列:

[1, 2, 4, 13, 26, 52, 7499, 14998, 29996, 54829, 97487, 109658, 194974, 219316, 389948, 712777, 1425554, 2851108, 411162671, 822325342, 1644650684, 5345114723, 10690229446, 21380458892]

約数ペア:

[(1, 21380458892), (2, 10690229446), (4, 5345114723), (13, 1644650684), (26, 822325342), (52, 411162671), (7499, 2851108), (14998, 1425554), (29996, 712777), (54829, 389948), (97487, 219316), (109658, 194974)]