21649080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6221}}^1$

素因数の和:6264

約数の個数: 64

約数和(自身を含む): 67197600

約数和(自身を除く): 45548520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 6221, 12442, 18663, 24884, 31105, 37326, 49768, 62210, 74652, 93315, 124420, 149304, 180409, 186630, 248840, 360818, 373260, 541227, 721636, 746520, 902045, 1082454, 1443272, 1804090, 2164908, 2706135, 3608180, 4329816, 5412270, 7216360, 10824540, 21649080]

約数ペア:

[(1, 21649080), (2, 10824540), (3, 7216360), (4, 5412270), (5, 4329816), (6, 3608180), (8, 2706135), (10, 2164908), (12, 1804090), (15, 1443272), (20, 1082454), (24, 902045), (29, 746520), (30, 721636), (40, 541227), (58, 373260), (60, 360818), (87, 248840), (116, 186630), (120, 180409), (145, 149304), (174, 124420), (232, 93315), (290, 74652), (348, 62210), (435, 49768), (580, 37326), (696, 31105), (870, 24884), (1160, 18663), (1740, 12442), (3480, 6221)]