21071893

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1$

素因数の和:444

約数の個数: 16

約数和(自身を含む): 23184000

約数和(自身を除く): 2112107

約数列:

[1, 19, 29, 167, 229, 551, 3173, 4351, 4843, 6641, 38243, 92017, 126179, 726617, 1109047, 21071893]

約数ペア:

[(1, 21071893), (19, 1109047), (29, 726617), (167, 126179), (229, 92017), (551, 38243), (3173, 6641), (4351, 4843)]