21970182

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{281669}}^1$

素因数の和:281687

約数の個数: 16

約数和(自身を含む): 47320560

約数和(自身を除く): 25350378

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 281669, 563338, 845007, 1690014, 3661697, 7323394, 10985091, 21970182]

約数ペア:

[(1, 21970182), (2, 10985091), (3, 7323394), (6, 3661697), (13, 1690014), (26, 845007), (39, 563338), (78, 281669)]