21145611

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{6569}}^1$

素因数の和:6638

約数の個数: 16

約数和(自身を含む): 29959200

約数和(自身を除く): 8813589

約数列:

[1, 3, 29, 37, 87, 111, 1073, 3219, 6569, 19707, 190501, 243053, 571503, 729159, 7048537, 21145611]

約数ペア:

[(1, 21145611), (3, 7048537), (29, 729159), (37, 571503), (87, 243053), (111, 190501), (1073, 19707), (3219, 6569)]