21327441

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{5701}}^1$

素因数の和:5776

約数の個数: 16

約数和(自身を含む): 30106560

約数和(自身を除く): 8779119

約数列:

[1, 3, 29, 43, 87, 129, 1247, 3741, 5701, 17103, 165329, 245143, 495987, 735429, 7109147, 21327441]

約数ペア:

[(1, 21327441), (3, 7109147), (29, 735429), (43, 495987), (87, 245143), (129, 165329), (1247, 17103), (3741, 5701)]