21003776

素因数分解:

$2^9\times {\mathrm{41023}}^1$

素因数の和:41041

約数の個数: 20

約数和(自身を含む): 41967552

約数和(自身を除く): 20963776

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 41023, 82046, 164092, 328184, 656368, 1312736, 2625472, 5250944, 10501888, 21003776]

約数ペア:

[(1, 21003776), (2, 10501888), (4, 5250944), (8, 2625472), (16, 1312736), (32, 656368), (64, 328184), (128, 164092), (256, 82046), (512, 41023)]