21135464

素因数分解:

$2^3\times 7^2\times {\mathrm{53917}}^1$

素因数の和:53937

約数の個数: 24

約数和(自身を含む): 46099890

約数和(自身を除く): 24964426

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53917, 107834, 215668, 377419, 431336, 754838, 1509676, 2641933, 3019352, 5283866, 10567732, 21135464]

約数ペア:

[(1, 21135464), (2, 10567732), (4, 5283866), (7, 3019352), (8, 2641933), (14, 1509676), (28, 754838), (49, 431336), (56, 377419), (98, 215668), (196, 107834), (392, 53917)]