21160707

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1\times {\mathrm{503}}^1$

素因数の和:922

約数の個数: 16

約数和(自身を含む): 29111040

約数和(自身を除く): 7950333

約数列:

[1, 3, 37, 111, 379, 503, 1137, 1509, 14023, 18611, 42069, 55833, 190637, 571911, 7053569, 21160707]

約数ペア:

[(1, 21160707), (3, 7053569), (37, 571911), (111, 190637), (379, 55833), (503, 42069), (1137, 18611), (1509, 14023)]