21313568

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{8431}}^1$

素因数の和:8520

約数の個数: 24

約数和(自身を含む): 42497280

約数和(自身を除く): 21183712

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 8431, 16862, 33724, 67448, 134896, 269792, 666049, 1332098, 2664196, 5328392, 10656784, 21313568]

約数ペア:

[(1, 21313568), (2, 10656784), (4, 5328392), (8, 2664196), (16, 1332098), (32, 666049), (79, 269792), (158, 134896), (316, 67448), (632, 33724), (1264, 16862), (2528, 8431)]