21155706

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8219}}^1$

素因数の和:8251

約数の個数: 48

約数和(自身を含む): 53857440

約数和(自身を除く): 32701734

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 198, 234, 286, 429, 858, 1287, 2574, 8219, 16438, 24657, 49314, 73971, 90409, 106847, 147942, 180818, 213694, 271227, 320541, 542454, 641082, 813681, 961623, 1175317, 1627362, 1923246, 2350634, 3525951, 7051902, 10577853, 21155706]

約数ペア:

[(1, 21155706), (2, 10577853), (3, 7051902), (6, 3525951), (9, 2350634), (11, 1923246), (13, 1627362), (18, 1175317), (22, 961623), (26, 813681), (33, 641082), (39, 542454), (66, 320541), (78, 271227), (99, 213694), (117, 180818), (143, 147942), (198, 106847), (234, 90409), (286, 73971), (429, 49314), (858, 24657), (1287, 16438), (2574, 8219)]