21016288

素因数分解:

$2^5\times {\mathrm{619}}^1\times {\mathrm{1061}}^1$

素因数の和:1690

約数の個数: 24

約数和(自身を含む): 41481720

約数和(自身を除く): 20465432

約数列:

[1, 2, 4, 8, 16, 32, 619, 1061, 1238, 2122, 2476, 4244, 4952, 8488, 9904, 16976, 19808, 33952, 656759, 1313518, 2627036, 5254072, 10508144, 21016288]

約数ペア:

[(1, 21016288), (2, 10508144), (4, 5254072), (8, 2627036), (16, 1313518), (32, 656759), (619, 33952), (1061, 19808), (1238, 16976), (2122, 9904), (2476, 8488), (4244, 4952)]