21993424803

素因数分解:

$3^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{187387}}^1$

素因数の和:187435

約数の個数: 56

約数和(自身を含む): 39324496128

約数和(自身を除く): 17331071325

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 483, 567, 621, 729, 1449, 1701, 1863, 4347, 5103, 5589, 13041, 16767, 39123, 117369, 187387, 562161, 1311709, 1686483, 3935127, 4309901, 5059449, 11805381, 12929703, 15178347, 30169307, 35416143, 38789109, 45535041, 90507921, 106248429, 116367327, 136605123, 271523763, 318745287, 349101981, 814571289, 956235861, 1047305943, 2443713867, 3141917829, 7331141601, 21993424803]

約数ペア:

[(1, 21993424803), (3, 7331141601), (7, 3141917829), (9, 2443713867), (21, 1047305943), (23, 956235861), (27, 814571289), (63, 349101981), (69, 318745287), (81, 271523763), (161, 136605123), (189, 116367327), (207, 106248429), (243, 90507921), (483, 45535041), (567, 38789109), (621, 35416143), (729, 30169307), (1449, 15178347), (1701, 12929703), (1863, 11805381), (4347, 5059449), (5103, 4309901), (5589, 3935127), (13041, 1686483), (16767, 1311709), (39123, 562161), (117369, 187387)]