21167363024

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{1999}}^1\times {\mathrm{12487}}^1$

素因数の和:14547

約数の個数: 40

約数和(自身を含む): 41809824000

約数和(自身を除く): 20642460976

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 1999, 3998, 7996, 12487, 15992, 24974, 31984, 49948, 99896, 105947, 199792, 211894, 423788, 661811, 847576, 1323622, 1695152, 2647244, 5294488, 10588976, 24961513, 49923026, 99846052, 199692104, 399384208, 1322960189, 2645920378, 5291840756, 10583681512, 21167363024]

約数ペア:

[(1, 21167363024), (2, 10583681512), (4, 5291840756), (8, 2645920378), (16, 1322960189), (53, 399384208), (106, 199692104), (212, 99846052), (424, 49923026), (848, 24961513), (1999, 10588976), (3998, 5294488), (7996, 2647244), (12487, 1695152), (15992, 1323622), (24974, 847576), (31984, 661811), (49948, 423788), (99896, 211894), (105947, 199792)]