210919214

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{20269}}^1$

素因数の和:20336

約数の個数: 24

約数和(自身を含む): 355860120

約数和(自身を除く): 144940906

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 5203, 10406, 20269, 40538, 222959, 445918, 871567, 1743134, 2452549, 4905098, 9587237, 19174474, 105459607, 210919214]

約数ペア:

[(1, 210919214), (2, 105459607), (11, 19174474), (22, 9587237), (43, 4905098), (86, 2452549), (121, 1743134), (242, 871567), (473, 445918), (946, 222959), (5203, 40538), (10406, 20269)]