21716460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{120647}}^1$

素因数の和:120662

約数の個数: 36

約数和(自身を含む): 65873808

約数和(自身を除く): 44157348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 120647, 241294, 361941, 482588, 603235, 723882, 1085823, 1206470, 1447764, 1809705, 2171646, 2412940, 3619410, 4343292, 5429115, 7238820, 10858230, 21716460]

約数ペア:

[(1, 21716460), (2, 10858230), (3, 7238820), (4, 5429115), (5, 4343292), (6, 3619410), (9, 2412940), (10, 2171646), (12, 1809705), (15, 1447764), (18, 1206470), (20, 1085823), (30, 723882), (36, 603235), (45, 482588), (60, 361941), (90, 241294), (180, 120647)]