21056554509

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1657}}^1\times {\mathrm{222941}}^1$

素因数の和:224620

約数の個数: 16

約数和(自身を含む): 29571026880

約数和(自身を除く): 8514472371

約数列:

[1, 3, 19, 57, 1657, 4971, 31483, 94449, 222941, 668823, 4235879, 12707637, 369413237, 1108239711, 7018851503, 21056554509]

約数ペア:

[(1, 21056554509), (3, 7018851503), (19, 1108239711), (57, 369413237), (1657, 12707637), (4971, 4235879), (31483, 668823), (94449, 222941)]