21270016

素因数分解:

$2^9\times {\mathrm{41543}}^1$

素因数の和:41561

約数の個数: 20

約数和(自身を含む): 42499512

約数和(自身を除く): 21229496

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 41543, 83086, 166172, 332344, 664688, 1329376, 2658752, 5317504, 10635008, 21270016]

約数ペア:

[(1, 21270016), (2, 10635008), (4, 5317504), (8, 2658752), (16, 1329376), (32, 664688), (64, 332344), (128, 166172), (256, 83086), (512, 41543)]