21848519

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{16691}}^1$

素因数の和:16726

約数の個数: 16

約数和(自身を含む): 28843776

約数和(自身を除く): 6995257

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 16691, 116837, 183601, 283747, 1285207, 1986229, 3121217, 21848519]

約数ペア:

[(1, 21848519), (7, 3121217), (11, 1986229), (17, 1285207), (77, 283747), (119, 183601), (187, 116837), (1309, 16691)]