21238998

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{16937}}^1$

素因数の和:16972

約数の個数: 32

約数和(自身を含む): 48781440

約数和(自身を除く): 27542442

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 418, 627, 1254, 16937, 33874, 50811, 101622, 186307, 321803, 372614, 558921, 643606, 965409, 1117842, 1930818, 3539833, 7079666, 10619499, 21238998]

約数ペア:

[(1, 21238998), (2, 10619499), (3, 7079666), (6, 3539833), (11, 1930818), (19, 1117842), (22, 965409), (33, 643606), (38, 558921), (57, 372614), (66, 321803), (114, 186307), (209, 101622), (418, 50811), (627, 33874), (1254, 16937)]