21053304

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{3361}}^1$

素因数の和:3405

約数の個数: 64

約数和(自身を含む): 60516000

約数和(自身を除く): 39462696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 87, 108, 116, 174, 216, 232, 261, 348, 522, 696, 783, 1044, 1566, 2088, 3132, 3361, 6264, 6722, 10083, 13444, 20166, 26888, 30249, 40332, 60498, 80664, 90747, 97469, 120996, 181494, 194938, 241992, 292407, 362988, 389876, 584814, 725976, 779752, 877221, 1169628, 1754442, 2339256, 2631663, 3508884, 5263326, 7017768, 10526652, 21053304]

約数ペア:

[(1, 21053304), (2, 10526652), (3, 7017768), (4, 5263326), (6, 3508884), (8, 2631663), (9, 2339256), (12, 1754442), (18, 1169628), (24, 877221), (27, 779752), (29, 725976), (36, 584814), (54, 389876), (58, 362988), (72, 292407), (87, 241992), (108, 194938), (116, 181494), (174, 120996), (216, 97469), (232, 90747), (261, 80664), (348, 60498), (522, 40332), (696, 30249), (783, 26888), (1044, 20166), (1566, 13444), (2088, 10083), (3132, 6722), (3361, 6264)]