21256272

素因数分解:

$2^4\times 3^2\times {\mathrm{147613}}^1$

素因数の和:147627

約数の個数: 30

約数和(自身を含む): 59488442

約数和(自身を除く): 38232170

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 147613, 295226, 442839, 590452, 885678, 1180904, 1328517, 1771356, 2361808, 2657034, 3542712, 5314068, 7085424, 10628136, 21256272]

約数ペア:

[(1, 21256272), (2, 10628136), (3, 7085424), (4, 5314068), (6, 3542712), (8, 2657034), (9, 2361808), (12, 1771356), (16, 1328517), (18, 1180904), (24, 885678), (36, 590452), (48, 442839), (72, 295226), (144, 147613)]