21101458

素因数分解:

$2^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{1093}}^1$

素因数の和:1306

約数の個数: 24

約数和(自身を含む): 37040652

約数和(自身を除く): 15939194

約数列:

[1, 2, 7, 14, 49, 98, 197, 394, 1093, 1379, 2186, 2758, 7651, 9653, 15302, 19306, 53557, 107114, 215321, 430642, 1507247, 3014494, 10550729, 21101458]

約数ペア:

[(1, 21101458), (2, 10550729), (7, 3014494), (14, 1507247), (49, 430642), (98, 215321), (197, 107114), (394, 53557), (1093, 19306), (1379, 15302), (2186, 9653), (2758, 7651)]