21209116324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3192221}}^1$

素因数の和:3192387

約数の個数: 24

約数和(自身を含む): 40758290496

約数和(自身を除く): 19549174172

約数列:

[1, 2, 4, 11, 22, 44, 151, 302, 604, 1661, 3322, 6644, 3192221, 6384442, 12768884, 35114431, 70228862, 140457724, 482025371, 964050742, 1928101484, 5302279081, 10604558162, 21209116324]

約数ペア:

[(1, 21209116324), (2, 10604558162), (4, 5302279081), (11, 1928101484), (22, 964050742), (44, 482025371), (151, 140457724), (302, 70228862), (604, 35114431), (1661, 12768884), (3322, 6384442), (6644, 3192221)]