21085842944

素因数分解:

$2^9\times {\mathrm{151}}^1\times {\mathrm{272737}}^1$

素因数の和:272906

約数の個数: 40

約数和(自身を含む): 42409668048

約数和(自身を除く): 21323825104

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 151, 256, 302, 512, 604, 1208, 2416, 4832, 9664, 19328, 38656, 77312, 272737, 545474, 1090948, 2181896, 4363792, 8727584, 17455168, 34910336, 41183287, 69820672, 82366574, 139641344, 164733148, 329466296, 658932592, 1317865184, 2635730368, 5271460736, 10542921472, 21085842944]

約数ペア:

[(1, 21085842944), (2, 10542921472), (4, 5271460736), (8, 2635730368), (16, 1317865184), (32, 658932592), (64, 329466296), (128, 164733148), (151, 139641344), (256, 82366574), (302, 69820672), (512, 41183287), (604, 34910336), (1208, 17455168), (2416, 8727584), (4832, 4363792), (9664, 2181896), (19328, 1090948), (38656, 545474), (77312, 272737)]