21419733

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{2081}}^1$

素因数の和:2204

約数の個数: 16

約数和(自身を含む): 29581056

約数和(自身を除く): 8161323

約数列:

[1, 3, 47, 73, 141, 219, 2081, 3431, 6243, 10293, 97807, 151913, 293421, 455739, 7139911, 21419733]

約数ペア:

[(1, 21419733), (3, 7139911), (47, 455739), (73, 293421), (141, 151913), (219, 97807), (2081, 10293), (3431, 6243)]