21325494

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{86689}}^1$

素因数の和:86735

約数の個数: 16

約数和(自身を含む): 43691760

約数和(自身を除く): 22366266

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 86689, 173378, 260067, 520134, 3554249, 7108498, 10662747, 21325494]

約数ペア:

[(1, 21325494), (2, 10662747), (3, 7108498), (6, 3554249), (41, 520134), (82, 260067), (123, 173378), (246, 86689)]