21329408

素因数分解:

$2^9\times {\mathrm{41659}}^1$

素因数の和:41677

約数の個数: 20

約数和(自身を含む): 42618180

約数和(自身を除く): 21288772

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 41659, 83318, 166636, 333272, 666544, 1333088, 2666176, 5332352, 10664704, 21329408]

約数ペア:

[(1, 21329408), (2, 10664704), (4, 5332352), (8, 2666176), (16, 1333088), (32, 666544), (64, 333272), (128, 166636), (256, 83318), (512, 41659)]