21304284

素因数分解:

$2^2\times 3^1\times {\mathrm{421}}^1\times {\mathrm{4217}}^1$

素因数の和:4645

約数の個数: 24

約数和(自身を含む): 49839888

約数和(自身を除く): 28535604

約数列:

[1, 2, 3, 4, 6, 12, 421, 842, 1263, 1684, 2526, 4217, 5052, 8434, 12651, 16868, 25302, 50604, 1775357, 3550714, 5326071, 7101428, 10652142, 21304284]

約数ペア:

[(1, 21304284), (2, 10652142), (3, 7101428), (4, 5326071), (6, 3550714), (12, 1775357), (421, 50604), (842, 25302), (1263, 16868), (1684, 12651), (2526, 8434), (4217, 5052)]