21031218

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29959}}^1$

素因数の和:29983

約数の個数: 32

約数和(自身を含む): 50332800

約数和(自身を除く): 29301582

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 29959, 59918, 89877, 179754, 269631, 389467, 539262, 778934, 808893, 1168401, 1617786, 2336802, 3505203, 7010406, 10515609, 21031218]

約数ペア:

[(1, 21031218), (2, 10515609), (3, 7010406), (6, 3505203), (9, 2336802), (13, 1617786), (18, 1168401), (26, 808893), (27, 778934), (39, 539262), (54, 389467), (78, 269631), (117, 179754), (234, 89877), (351, 59918), (702, 29959)]