21099618

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1301}}^1$

素因数の和:1379

約数の個数: 48

約数和(自身を含む): 49356216

約数和(自身を除く): 28256598

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 53, 102, 106, 153, 159, 306, 318, 477, 901, 954, 1301, 1802, 2602, 2703, 3903, 5406, 7806, 8109, 11709, 16218, 22117, 23418, 44234, 66351, 68953, 132702, 137906, 199053, 206859, 398106, 413718, 620577, 1172201, 1241154, 2344402, 3516603, 7033206, 10549809, 21099618]

約数ペア:

[(1, 21099618), (2, 10549809), (3, 7033206), (6, 3516603), (9, 2344402), (17, 1241154), (18, 1172201), (34, 620577), (51, 413718), (53, 398106), (102, 206859), (106, 199053), (153, 137906), (159, 132702), (306, 68953), (318, 66351), (477, 44234), (901, 23418), (954, 22117), (1301, 16218), (1802, 11709), (2602, 8109), (2703, 7806), (3903, 5406)]