21358492028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{314095471}}^1$

素因数の和:314095492

約数の個数: 12

約数和(自身を含む): 39576029472

約数和(自身を除く): 18217537444

約数列:

[1, 2, 4, 17, 34, 68, 314095471, 628190942, 1256381884, 5339623007, 10679246014, 21358492028]

約数ペア:

[(1, 21358492028), (2, 10679246014), (4, 5339623007), (17, 1256381884), (34, 628190942), (68, 314095471)]