21975064

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 20602856

約数列:

[1, 2, 4, 8, 43, 86, 127, 172, 254, 344, 503, 508, 1006, 1016, 2012, 4024, 5461, 10922, 21629, 21844, 43258, 43688, 63881, 86516, 127762, 173032, 255524, 511048, 2746883, 5493766, 10987532, 21975064]

約数ペア:

[(1, 21975064), (2, 10987532), (4, 5493766), (8, 2746883), (43, 511048), (86, 255524), (127, 173032), (172, 127762), (254, 86516), (344, 63881), (503, 43688), (508, 43258), (1006, 21844), (1016, 21629), (2012, 10922), (4024, 5461)]