21000314884

素因数分解:

$2^2\times {\mathrm{19501}}^1\times {\mathrm{269221}}^1$

素因数の和:288726

約数の個数: 12

約数和(自身を含む): 36752572108

約数和(自身を除く): 15752257224

約数列:

[1, 2, 4, 19501, 39002, 78004, 269221, 538442, 1076884, 5250078721, 10500157442, 21000314884]

約数ペア:

[(1, 21000314884), (2, 10500157442), (4, 5250078721), (19501, 1076884), (39002, 538442), (78004, 269221)]