21203829

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41333}}^1$

素因数の和:41361

約数の個数: 16

約数和(自身を含む): 33067200

約数和(自身を除く): 11863371

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41333, 123999, 371997, 785327, 1115991, 2355981, 7067943, 21203829]

約数ペア:

[(1, 21203829), (3, 7067943), (9, 2355981), (19, 1115991), (27, 785327), (57, 371997), (171, 123999), (513, 41333)]