213415514

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{21101}}^1$

素因数の和:21505

約数の個数: 16

約数和(自身を含む): 345650760

約数和(自身を除く): 132235246

約数列:

[1, 2, 13, 26, 389, 778, 5057, 10114, 21101, 42202, 274313, 548626, 8208289, 16416578, 106707757, 213415514]

約数ペア:

[(1, 213415514), (2, 106707757), (13, 16416578), (26, 8208289), (389, 548626), (778, 274313), (5057, 42202), (10114, 21101)]