21121338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17341}}^1$

素因数の和:17382

約数の個数: 32

約数和(自身を含む): 49944960

約数和(自身を除く): 28823622

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 17341, 34682, 52023, 104046, 121387, 242774, 364161, 502889, 728322, 1005778, 1508667, 3017334, 3520223, 7040446, 10560669, 21121338]

約数ペア:

[(1, 21121338), (2, 10560669), (3, 7040446), (6, 3520223), (7, 3017334), (14, 1508667), (21, 1005778), (29, 728322), (42, 502889), (58, 364161), (87, 242774), (174, 121387), (203, 104046), (406, 52023), (609, 34682), (1218, 17341)]