21778704

素因数分解:

$2^4\times 3^2\times {\mathrm{151241}}^1$

素因数の和:151255

約数の個数: 30

約数和(自身を含む): 60950526

約数和(自身を除く): 39171822

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 151241, 302482, 453723, 604964, 907446, 1209928, 1361169, 1814892, 2419856, 2722338, 3629784, 5444676, 7259568, 10889352, 21778704]

約数ペア:

[(1, 21778704), (2, 10889352), (3, 7259568), (4, 5444676), (6, 3629784), (8, 2722338), (9, 2419856), (12, 1814892), (16, 1361169), (18, 1209928), (24, 907446), (36, 604964), (48, 453723), (72, 302482), (144, 151241)]