21323786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{22541}}^1$

素因数の和:22597

約数の個数: 16

約数和(自身を含む): 35706528

約数和(自身を除く): 14382742

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 22541, 45082, 247951, 495902, 969263, 1938526, 10661893, 21323786]

約数ペア:

[(1, 21323786), (2, 10661893), (11, 1938526), (22, 969263), (43, 495902), (86, 247951), (473, 45082), (946, 22541)]