2100403780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1981513}}^1$

素因数の和:1981575

約数の個数: 24

約数和(自身を含む): 4494073752

約数和(自身を除く): 2393669972

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1981513, 3963026, 7926052, 9907565, 19815130, 39630260, 105020189, 210040378, 420080756, 525100945, 1050201890, 2100403780]

約数ペア:

[(1, 2100403780), (2, 1050201890), (4, 525100945), (5, 420080756), (10, 210040378), (20, 105020189), (53, 39630260), (106, 19815130), (212, 9907565), (265, 7926052), (530, 3963026), (1060, 1981513)]