21735345

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^2$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 36433728

約数和(自身を除く): 14698383

約数列:

[1, 3, 5, 15, 23, 69, 115, 251, 345, 753, 1255, 3765, 5773, 17319, 28865, 63001, 86595, 189003, 315005, 945015, 1449023, 4347069, 7245115, 21735345]

約数ペア:

[(1, 21735345), (3, 7245115), (5, 4347069), (15, 1449023), (23, 945015), (69, 315005), (115, 189003), (251, 86595), (345, 63001), (753, 28865), (1255, 17319), (3765, 5773)]