21161304

素因数分解:

$2^3\times 3^3\times {\mathrm{313}}^2$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 58969800

約数和(自身を除く): 37808496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 313, 626, 939, 1252, 1878, 2504, 2817, 3756, 5634, 7512, 8451, 11268, 16902, 22536, 33804, 67608, 97969, 195938, 293907, 391876, 587814, 783752, 881721, 1175628, 1763442, 2351256, 2645163, 3526884, 5290326, 7053768, 10580652, 21161304]

約数ペア:

[(1, 21161304), (2, 10580652), (3, 7053768), (4, 5290326), (6, 3526884), (8, 2645163), (9, 2351256), (12, 1763442), (18, 1175628), (24, 881721), (27, 783752), (36, 587814), (54, 391876), (72, 293907), (108, 195938), (216, 97969), (313, 67608), (626, 33804), (939, 22536), (1252, 16902), (1878, 11268), (2504, 8451), (2817, 7512), (3756, 5634)]