21154650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12821}}^1$

素因数の和:12847

約数の個数: 48

約数和(自身を含む): 57237408

約数和(自身を除く): 36082758

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 12821, 25642, 38463, 64105, 76926, 128210, 141031, 192315, 282062, 320525, 384630, 423093, 641050, 705155, 846186, 961575, 1410310, 1923150, 2115465, 3525775, 4230930, 7051550, 10577325, 21154650]

約数ペア:

[(1, 21154650), (2, 10577325), (3, 7051550), (5, 4230930), (6, 3525775), (10, 2115465), (11, 1923150), (15, 1410310), (22, 961575), (25, 846186), (30, 705155), (33, 641050), (50, 423093), (55, 384630), (66, 320525), (75, 282062), (110, 192315), (150, 141031), (165, 128210), (275, 76926), (330, 64105), (550, 38463), (825, 25642), (1650, 12821)]