21546538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 36723456

約数和(自身を除く): 15176918

約数列:

[1, 2, 13, 23, 26, 46, 137, 263, 274, 299, 526, 598, 1781, 3151, 3419, 3562, 6049, 6302, 6838, 12098, 36031, 40963, 72062, 78637, 81926, 157274, 468403, 828713, 936806, 1657426, 10773269, 21546538]

約数ペア:

[(1, 21546538), (2, 10773269), (13, 1657426), (23, 936806), (26, 828713), (46, 468403), (137, 157274), (263, 81926), (274, 78637), (299, 72062), (526, 40963), (598, 36031), (1781, 12098), (3151, 6838), (3419, 6302), (3562, 6049)]