21427269

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{2251}}^1$

素因数の和:2440

約数の個数: 16

約数和(自身を含む): 30266880

約数和(自身を除く): 8839611

約数列:

[1, 3, 19, 57, 167, 501, 2251, 3173, 6753, 9519, 42769, 128307, 375917, 1127751, 7142423, 21427269]

約数ペア:

[(1, 21427269), (3, 7142423), (19, 1127751), (57, 375917), (167, 128307), (501, 42769), (2251, 9519), (3173, 6753)]