21000773355

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{29788331}}^1$

素因数の和:29788386

約数の個数: 16

約数和(自身を含む): 34316158464

約数和(自身を除く): 13315385109

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 29788331, 89364993, 148941655, 446824965, 1400051557, 4200154671, 7000257785, 21000773355]

約数ペア:

[(1, 21000773355), (3, 7000257785), (5, 4200154671), (15, 1400051557), (47, 446824965), (141, 148941655), (235, 89364993), (705, 29788331)]