21069573

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{1193}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 33279168

約数和(自身を除く): 12209595

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 841, 1193, 2523, 3579, 5887, 8351, 17661, 25053, 34597, 103791, 242179, 726537, 1003313, 3009939, 7023191, 21069573]

約数ペア:

[(1, 21069573), (3, 7023191), (7, 3009939), (21, 1003313), (29, 726537), (87, 242179), (203, 103791), (609, 34597), (841, 25053), (1193, 17661), (2523, 8351), (3579, 5887)]