21243870

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26227}}^1$

素因数の和:26246

約数の個数: 40

約数和(自身を含む): 57124584

約数和(自身を除く): 35880714

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26227, 52454, 78681, 131135, 157362, 236043, 262270, 393405, 472086, 708129, 786810, 1180215, 1416258, 2124387, 2360430, 3540645, 4248774, 7081290, 10621935, 21243870]

約数ペア:

[(1, 21243870), (2, 10621935), (3, 7081290), (5, 4248774), (6, 3540645), (9, 2360430), (10, 2124387), (15, 1416258), (18, 1180215), (27, 786810), (30, 708129), (45, 472086), (54, 393405), (81, 262270), (90, 236043), (135, 157362), (162, 131135), (270, 78681), (405, 52454), (810, 26227)]