21499254

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10037}}^1$

素因数の和:10069

約数の個数: 48

約数和(自身を含む): 56373408

約数和(自身を除く): 34874154

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142, 10037, 20074, 30111, 60222, 70259, 90333, 140518, 170629, 180666, 210777, 341258, 421554, 511887, 632331, 1023774, 1194403, 1264662, 1535661, 2388806, 3071322, 3583209, 7166418, 10749627, 21499254]

約数ペア:

[(1, 21499254), (2, 10749627), (3, 7166418), (6, 3583209), (7, 3071322), (9, 2388806), (14, 1535661), (17, 1264662), (18, 1194403), (21, 1023774), (34, 632331), (42, 511887), (51, 421554), (63, 341258), (102, 210777), (119, 180666), (126, 170629), (153, 140518), (238, 90333), (306, 70259), (357, 60222), (714, 30111), (1071, 20074), (2142, 10037)]