21167005850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{15359}}^1$

素因数の和:16055

約数の個数: 48

約数和(自身を含む): 40351703040

約数和(自身を除く): 19184697190

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 641, 1075, 1282, 2150, 3205, 6410, 15359, 16025, 27563, 30718, 32050, 55126, 76795, 137815, 153590, 275630, 383975, 660437, 689075, 767950, 1320874, 1378150, 3302185, 6604370, 9845119, 16510925, 19690238, 33021850, 49225595, 98451190, 246127975, 423340117, 492255950, 846680234, 2116700585, 4233401170, 10583502925, 21167005850]

約数ペア:

[(1, 21167005850), (2, 10583502925), (5, 4233401170), (10, 2116700585), (25, 846680234), (43, 492255950), (50, 423340117), (86, 246127975), (215, 98451190), (430, 49225595), (641, 33021850), (1075, 19690238), (1282, 16510925), (2150, 9845119), (3205, 6604370), (6410, 3302185), (15359, 1378150), (16025, 1320874), (27563, 767950), (30718, 689075), (32050, 660437), (55126, 383975), (76795, 275630), (137815, 153590)]