21287744

素因数分解:

$2^6\times {\mathrm{487}}^1\times {\mathrm{683}}^1$

素因数の和:1182

約数の個数: 28

約数和(自身を含む): 42391584

約数和(自身を除く): 21103840

約数列:

[1, 2, 4, 8, 16, 32, 64, 487, 683, 974, 1366, 1948, 2732, 3896, 5464, 7792, 10928, 15584, 21856, 31168, 43712, 332621, 665242, 1330484, 2660968, 5321936, 10643872, 21287744]

約数ペア:

[(1, 21287744), (2, 10643872), (4, 5321936), (8, 2660968), (16, 1330484), (32, 665242), (64, 332621), (487, 43712), (683, 31168), (974, 21856), (1366, 15584), (1948, 10928), (2732, 7792), (3896, 5464)]