21408313129

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{340079}}^1$

素因数の和:340149

約数の個数: 24

約数和(自身を含む): 27081250560

約数和(自身を除く): 5672937431

約数列:

[1, 7, 17, 23, 119, 161, 391, 529, 2737, 3703, 8993, 62951, 340079, 2380553, 5781343, 7821817, 40469401, 54752719, 132970889, 179901791, 930796223, 1259312537, 3058330447, 21408313129]

約数ペア:

[(1, 21408313129), (7, 3058330447), (17, 1259312537), (23, 930796223), (119, 179901791), (161, 132970889), (391, 54752719), (529, 40469401), (2737, 7821817), (3703, 5781343), (8993, 2380553), (62951, 340079)]