21485087385

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1074523}}^1$

素因数の和:1074605

約数の個数: 32

約数和(自身を含む): 36310315008

約数和(自身を除く): 14825227623

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 1333, 3999, 6665, 19995, 1074523, 3223569, 5372615, 16117845, 33310213, 46204489, 99930639, 138613467, 166551065, 231022445, 499653195, 693067335, 1432339159, 4297017477, 7161695795, 21485087385]

約数ペア:

[(1, 21485087385), (3, 7161695795), (5, 4297017477), (15, 1432339159), (31, 693067335), (43, 499653195), (93, 231022445), (129, 166551065), (155, 138613467), (215, 99930639), (465, 46204489), (645, 33310213), (1333, 16117845), (3999, 5372615), (6665, 3223569), (19995, 1074523)]