21570633

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1193}}^1$

素因数の和:1254

約数の個数: 36

約数和(自身を含む): 37159668

約数和(自身を除く): 15589035

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 1193, 2009, 2583, 3579, 6027, 8351, 10737, 18081, 25053, 48913, 58457, 75159, 146739, 175371, 342391, 440217, 526113, 1027173, 2396737, 3081519, 7190211, 21570633]

約数ペア:

[(1, 21570633), (3, 7190211), (7, 3081519), (9, 2396737), (21, 1027173), (41, 526113), (49, 440217), (63, 342391), (123, 175371), (147, 146739), (287, 75159), (369, 58457), (441, 48913), (861, 25053), (1193, 18081), (2009, 10737), (2583, 8351), (3579, 6027)]