21985383

素因数分解:

$3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{6269}}^1$

素因数の和:6446

約数の個数: 16

約数和(自身を含む): 33707520

約数和(自身を除く): 11722137

約数列:

[1, 3, 7, 21, 167, 501, 1169, 3507, 6269, 18807, 43883, 131649, 1046923, 3140769, 7328461, 21985383]

約数ペア:

[(1, 21985383), (3, 7328461), (7, 3140769), (21, 1046923), (167, 131649), (501, 43883), (1169, 18807), (3507, 6269)]