21489062

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{28961}}^1$

素因数の和:29023

約数の個数: 16

約数和(自身を含む): 37534752

約数和(自身を除く): 16045690

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 28961, 57922, 202727, 405454, 1534933, 3069866, 10744531, 21489062]

約数ペア:

[(1, 21489062), (2, 10744531), (7, 3069866), (14, 1534933), (53, 405454), (106, 202727), (371, 57922), (742, 28961)]