21328284

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{29137}}^1$

素因数の和:29205

約数の個数: 24

約数和(自身を含む): 50583568

約数和(自身を除く): 29255284

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 183, 244, 366, 732, 29137, 58274, 87411, 116548, 174822, 349644, 1777357, 3554714, 5332071, 7109428, 10664142, 21328284]

約数ペア:

[(1, 21328284), (2, 10664142), (3, 7109428), (4, 5332071), (6, 3554714), (12, 1777357), (61, 349644), (122, 174822), (183, 116548), (244, 87411), (366, 58274), (732, 29137)]