21440607

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{739}}^1$

素因数の和:1270

約数の個数: 16

約数和(自身を含む): 30192000

約数和(自身を除く): 8751393

約数列:

[1, 3, 19, 57, 509, 739, 1527, 2217, 9671, 14041, 29013, 42123, 376151, 1128453, 7146869, 21440607]

約数ペア:

[(1, 21440607), (3, 7146869), (19, 1128453), (57, 376151), (509, 42123), (739, 29013), (1527, 14041), (2217, 9671)]