21217856

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{30139}}^1$

素因数の和:30162

約数の個数: 28

約数和(自身を含む): 45933360

約数和(自身を除く): 24715504

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 176, 352, 704, 30139, 60278, 120556, 241112, 331529, 482224, 663058, 964448, 1326116, 1928896, 2652232, 5304464, 10608928, 21217856]

約数ペア:

[(1, 21217856), (2, 10608928), (4, 5304464), (8, 2652232), (11, 1928896), (16, 1326116), (22, 964448), (32, 663058), (44, 482224), (64, 331529), (88, 241112), (176, 120556), (352, 60278), (704, 30139)]