21472218

素因数分解:

$2^1\times 3^2\times {\mathrm{641}}^1\times {\mathrm{1861}}^1$

素因数の和:2510

約数の個数: 24

約数和(自身を含む): 46620756

約数和(自身を除く): 25148538

約数列:

[1, 2, 3, 6, 9, 18, 641, 1282, 1861, 1923, 3722, 3846, 5583, 5769, 11166, 11538, 16749, 33498, 1192901, 2385802, 3578703, 7157406, 10736109, 21472218]

約数ペア:

[(1, 21472218), (2, 10736109), (3, 7157406), (6, 3578703), (9, 2385802), (18, 1192901), (641, 33498), (1282, 16749), (1861, 11538), (1923, 11166), (3722, 5769), (3846, 5583)]