20211059193

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1305371}}^1$

素因数の和:1305784

約数の個数: 16

約数和(自身を含む): 29094131136

約数和(自身を除く): 8883071943

約数列:

[1, 3, 13, 39, 397, 1191, 5161, 15483, 1305371, 3916113, 16969823, 50909469, 518232287, 1554696861, 6737019731, 20211059193]

約数ペア:

[(1, 20211059193), (3, 6737019731), (13, 1554696861), (39, 518232287), (397, 50909469), (1191, 16969823), (5161, 3916113), (15483, 1305371)]