21352671

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3557}}^1$

素因数の和:3615

約数の個数: 24

約数和(自身を含む): 33302880

約数和(自身を除く): 11950209

約数列:

[1, 3, 9, 23, 29, 69, 87, 207, 261, 667, 2001, 3557, 6003, 10671, 32013, 81811, 103153, 245433, 309459, 736299, 928377, 2372519, 7117557, 21352671]

約数ペア:

[(1, 21352671), (3, 7117557), (9, 2372519), (23, 928377), (29, 736299), (69, 309459), (87, 245433), (207, 103153), (261, 81811), (667, 32013), (2001, 10671), (3557, 6003)]