21225351

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{4229}}^1$

素因数の和:4478

約数の個数: 16

約数和(自身を含む): 32486400

約数和(自身を除く): 11261049

約数列:

[1, 3, 7, 21, 239, 717, 1673, 4229, 5019, 12687, 29603, 88809, 1010731, 3032193, 7075117, 21225351]

約数ペア:

[(1, 21225351), (3, 7075117), (7, 3032193), (21, 1010731), (239, 88809), (717, 29603), (1673, 12687), (4229, 5019)]