21162994

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7879}}^1$

素因数の和:7977

約数の個数: 16

約数和(自身を含む): 34041600

約数和(自身を除く): 12878606

約数列:

[1, 2, 17, 34, 79, 158, 1343, 2686, 7879, 15758, 133943, 267886, 622441, 1244882, 10581497, 21162994]

約数ペア:

[(1, 21162994), (2, 10581497), (17, 1244882), (34, 622441), (79, 267886), (158, 133943), (1343, 15758), (2686, 7879)]