21549813

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{3697}}^1$

素因数の和:3796

約数の個数: 16

約数和(自身を含む): 30175680

約数和(自身を除く): 8625867

約数列:

[1, 3, 29, 67, 87, 201, 1943, 3697, 5829, 11091, 107213, 247699, 321639, 743097, 7183271, 21549813]

約数ペア:

[(1, 21549813), (3, 7183271), (29, 743097), (67, 321639), (87, 247699), (201, 107213), (1943, 11091), (3697, 5829)]