21857328

素因数分解:

$2^4\times 3^2\times {\mathrm{151787}}^1$

素因数の和:151801

約数の個数: 30

約数和(自身を含む): 61170564

約数和(自身を除く): 39313236

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 151787, 303574, 455361, 607148, 910722, 1214296, 1366083, 1821444, 2428592, 2732166, 3642888, 5464332, 7285776, 10928664, 21857328]

約数ペア:

[(1, 21857328), (2, 10928664), (3, 7285776), (4, 5464332), (6, 3642888), (8, 2732166), (9, 2428592), (12, 1821444), (16, 1366083), (18, 1214296), (24, 910722), (36, 607148), (48, 455361), (72, 303574), (144, 151787)]