21416691

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{547}}^1$

素因数の和:1002

約数の個数: 16

約数和(自身を含む): 29600768

約数和(自身を除く): 8184077

約数列:

[1, 3, 31, 93, 421, 547, 1263, 1641, 13051, 16957, 39153, 50871, 230287, 690861, 7138897, 21416691]

約数ペア:

[(1, 21416691), (3, 7138897), (31, 690861), (93, 230287), (421, 50871), (547, 39153), (1263, 16957), (1641, 13051)]