21560072

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 41407200

約数和(自身を除く): 19847128

約数列:

[1, 2, 4, 8, 89, 107, 178, 214, 283, 356, 428, 566, 712, 856, 1132, 2264, 9523, 19046, 25187, 30281, 38092, 50374, 60562, 76184, 100748, 121124, 201496, 242248, 2695009, 5390018, 10780036, 21560072]

約数ペア:

[(1, 21560072), (2, 10780036), (4, 5390018), (8, 2695009), (89, 242248), (107, 201496), (178, 121124), (214, 100748), (283, 76184), (356, 60562), (428, 50374), (566, 38092), (712, 30281), (856, 25187), (1132, 19046), (2264, 9523)]