21769380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{120941}}^1$

素因数の和:120956

約数の個数: 36

約数和(自身を含む): 66034332

約数和(自身を除く): 44264952

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 120941, 241882, 362823, 483764, 604705, 725646, 1088469, 1209410, 1451292, 1814115, 2176938, 2418820, 3628230, 4353876, 5442345, 7256460, 10884690, 21769380]

約数ペア:

[(1, 21769380), (2, 10884690), (3, 7256460), (4, 5442345), (5, 4353876), (6, 3628230), (9, 2418820), (10, 2176938), (12, 1814115), (15, 1451292), (18, 1209410), (20, 1088469), (30, 725646), (36, 604705), (45, 483764), (60, 362823), (90, 241882), (180, 120941)]