21009637

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{397}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 24414912

約数和(自身を除く): 3405275

約数列:

[1, 11, 17, 187, 283, 397, 3113, 4367, 4811, 6749, 52921, 74239, 112351, 1235861, 1909967, 21009637]

約数ペア:

[(1, 21009637), (11, 1909967), (17, 1235861), (187, 112351), (283, 74239), (397, 52921), (3113, 6749), (4367, 4811)]