21667893

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{11821}}^1$

素因数の和:11884

約数の個数: 16

約数和(自身を含む): 31777536

約数和(自身を除く): 10109643

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 11821, 35463, 153673, 461019, 555587, 1666761, 7222631, 21667893]

約数ペア:

[(1, 21667893), (3, 7222631), (13, 1666761), (39, 555587), (47, 461019), (141, 153673), (611, 35463), (1833, 11821)]