21145284

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{9629}}^1$

素因数の和:9700

約数の個数: 36

約数和(自身を含む): 54332460

約数和(自身を除く): 33187176

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 9629, 19258, 28887, 38516, 57774, 86661, 115548, 173322, 346644, 587369, 1174738, 1762107, 2349476, 3524214, 5286321, 7048428, 10572642, 21145284]

約数ペア:

[(1, 21145284), (2, 10572642), (3, 7048428), (4, 5286321), (6, 3524214), (9, 2349476), (12, 1762107), (18, 1174738), (36, 587369), (61, 346644), (122, 173322), (183, 115548), (244, 86661), (366, 57774), (549, 38516), (732, 28887), (1098, 19258), (2196, 9629)]