21002650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{24709}}^1$

素因数の和:24738

約数の個数: 24

約数和(自身を含む): 41364540

約数和(自身を除く): 20361890

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 24709, 49418, 123545, 247090, 420053, 617725, 840106, 1235450, 2100265, 4200530, 10501325, 21002650]

約数ペア:

[(1, 21002650), (2, 10501325), (5, 4200530), (10, 2100265), (17, 1235450), (25, 840106), (34, 617725), (50, 420053), (85, 247090), (170, 123545), (425, 49418), (850, 24709)]