21955929

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{5869}}^1$

素因数の和:5944

約数の個数: 16

約数和(自身を含む): 30993600

約数和(自身を除く): 9037671

約数列:

[1, 3, 29, 43, 87, 129, 1247, 3741, 5869, 17607, 170201, 252367, 510603, 757101, 7318643, 21955929]

約数ペア:

[(1, 21955929), (3, 7318643), (29, 757101), (43, 510603), (87, 252367), (129, 170201), (1247, 17607), (3741, 5869)]