21185844

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{13477}}^1$

素因数の和:13615

約数の個数: 24

約数和(自身を含む): 49814688

約数和(自身を除く): 28628844

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 13477, 26954, 40431, 53908, 80862, 161724, 1765487, 3530974, 5296461, 7061948, 10592922, 21185844]

約数ペア:

[(1, 21185844), (2, 10592922), (3, 7061948), (4, 5296461), (6, 3530974), (12, 1765487), (131, 161724), (262, 80862), (393, 53908), (524, 40431), (786, 26954), (1572, 13477)]