21012416

素因数分解:

$2^6\times {\mathrm{397}}^1\times {\mathrm{827}}^1$

素因数の和:1236

約数の個数: 28

約数和(自身を含む): 41852088

約数和(自身を除く): 20839672

約数列:

[1, 2, 4, 8, 16, 32, 64, 397, 794, 827, 1588, 1654, 3176, 3308, 6352, 6616, 12704, 13232, 25408, 26464, 52928, 328319, 656638, 1313276, 2626552, 5253104, 10506208, 21012416]

約数ペア:

[(1, 21012416), (2, 10506208), (4, 5253104), (8, 2626552), (16, 1313276), (32, 656638), (64, 328319), (397, 52928), (794, 26464), (827, 25408), (1588, 13232), (1654, 12704), (3176, 6616), (3308, 6352)]