21197804523

素因数分解:

$3^1\times 7^1\times {\mathrm{1889}}^1\times {\mathrm{534367}}^1$

素因数の和:536266

約数の個数: 16

約数和(自身を含む): 32318576640

約数和(自身を除く): 11120772117

約数列:

[1, 3, 7, 21, 1889, 5667, 13223, 39669, 534367, 1603101, 3740569, 11221707, 1009419263, 3028257789, 7065934841, 21197804523]

約数ペア:

[(1, 21197804523), (3, 7065934841), (7, 3028257789), (21, 1009419263), (1889, 11221707), (5667, 3740569), (13223, 1603101), (39669, 534367)]