21741056

素因数分解:

$2^9\times {\mathrm{42463}}^1$

素因数の和:42481

約数の個数: 20

約数和(自身を含む): 43440672

約数和(自身を除く): 21699616

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 42463, 84926, 169852, 339704, 679408, 1358816, 2717632, 5435264, 10870528, 21741056]

約数ペア:

[(1, 21741056), (2, 10870528), (4, 5435264), (8, 2717632), (16, 1358816), (32, 679408), (64, 339704), (128, 169852), (256, 84926), (512, 42463)]