21739736

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{9403}}^1$

素因数の和:9443

約数の個数: 24

約数和(自身を含む): 43305420

約数和(自身を除く): 21565684

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 9403, 18806, 37612, 75224, 159851, 319702, 639404, 1278808, 2717467, 5434934, 10869868, 21739736]

約数ペア:

[(1, 21739736), (2, 10869868), (4, 5434934), (8, 2717467), (17, 1278808), (34, 639404), (68, 319702), (136, 159851), (289, 75224), (578, 37612), (1156, 18806), (2312, 9403)]