21465930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2027}}^1$

素因数の和:2390

約数の個数: 32

約数和(自身を含む): 51689664

約数和(自身を除く): 30223734

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 353, 706, 1059, 1765, 2027, 2118, 3530, 4054, 5295, 6081, 10135, 10590, 12162, 20270, 30405, 60810, 715531, 1431062, 2146593, 3577655, 4293186, 7155310, 10732965, 21465930]

約数ペア:

[(1, 21465930), (2, 10732965), (3, 7155310), (5, 4293186), (6, 3577655), (10, 2146593), (15, 1431062), (30, 715531), (353, 60810), (706, 30405), (1059, 20270), (1765, 12162), (2027, 10590), (2118, 10135), (3530, 6081), (4054, 5295)]