21806308

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{6823}}^1$

素因数の和:6891

約数の個数: 24

約数和(自身を含む): 41271552

約数和(自身を除く): 19465244

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 799, 1598, 3196, 6823, 13646, 27292, 115991, 231982, 320681, 463964, 641362, 1282724, 5451577, 10903154, 21806308]

約数ペア:

[(1, 21806308), (2, 10903154), (4, 5451577), (17, 1282724), (34, 641362), (47, 463964), (68, 320681), (94, 231982), (188, 115991), (799, 27292), (1598, 13646), (3196, 6823)]