21313444

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{827}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 39644640

約数和(自身を除く): 18331196

約数列:

[1, 2, 4, 17, 34, 68, 379, 758, 827, 1516, 1654, 3308, 6443, 12886, 14059, 25772, 28118, 56236, 313433, 626866, 1253732, 5328361, 10656722, 21313444]

約数ペア:

[(1, 21313444), (2, 10656722), (4, 5328361), (17, 1253732), (34, 626866), (68, 313433), (379, 56236), (758, 28118), (827, 25772), (1516, 14059), (1654, 12886), (3308, 6443)]