21054738

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{206419}}^1$

素因数の和:206441

約数の個数: 16

約数和(自身を含む): 44586720

約数和(自身を除く): 23531982

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 206419, 412838, 619257, 1238514, 3509123, 7018246, 10527369, 21054738]

約数ペア:

[(1, 21054738), (2, 10527369), (3, 7018246), (6, 3509123), (17, 1238514), (34, 619257), (51, 412838), (102, 206419)]