21757929

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 29490048

約数和(自身を除く): 7732119

約数列:

[1, 3, 137, 167, 317, 411, 501, 951, 22879, 43429, 52939, 68637, 130287, 158817, 7252643, 21757929]

約数ペア:

[(1, 21757929), (3, 7252643), (137, 158817), (167, 130287), (317, 68637), (411, 52939), (501, 43429), (951, 22879)]