21943168

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{13187}}^1$

素因数の和:13214

約数の個数: 32

約数和(自身を含む): 47081160

約数和(自身を除く): 25137992

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 13187, 26374, 52748, 105496, 171431, 210992, 342862, 421984, 685724, 843968, 1371448, 1687936, 2742896, 5485792, 10971584, 21943168]

約数ペア:

[(1, 21943168), (2, 10971584), (4, 5485792), (8, 2742896), (13, 1687936), (16, 1371448), (26, 843968), (32, 685724), (52, 421984), (64, 342862), (104, 210992), (128, 171431), (208, 105496), (416, 52748), (832, 26374), (1664, 13187)]