21376762

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{383}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 15118598

約数列:

[1, 2, 11, 22, 43, 59, 86, 118, 383, 473, 649, 766, 946, 1298, 2537, 4213, 5074, 8426, 16469, 22597, 27907, 32938, 45194, 55814, 181159, 248567, 362318, 497134, 971671, 1943342, 10688381, 21376762]

約数ペア:

[(1, 21376762), (2, 10688381), (11, 1943342), (22, 971671), (43, 497134), (59, 362318), (86, 248567), (118, 181159), (383, 55814), (473, 45194), (649, 32938), (766, 27907), (946, 22597), (1298, 16469), (2537, 8426), (4213, 5074)]