21328077

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{547}}^1$

素因数の和:908

約数の個数: 16

約数和(自身を含む): 29276352

約数和(自身を除く): 7948275

約数列:

[1, 3, 41, 123, 317, 547, 951, 1641, 12997, 22427, 38991, 67281, 173399, 520197, 7109359, 21328077]

約数ペア:

[(1, 21328077), (3, 7109359), (41, 520197), (123, 173399), (317, 67281), (547, 38991), (951, 22427), (1641, 12997)]