21009776730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{4969}}^1\times {\mathrm{140939}}^1$

素因数の和:145918

約数の個数: 32

約数和(自身を含む): 50433969600

約数和(自身を除く): 29424192870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 4969, 9938, 14907, 24845, 29814, 49690, 74535, 140939, 149070, 281878, 422817, 704695, 845634, 1409390, 2114085, 4228170, 700325891, 1400651782, 2100977673, 3501629455, 4201955346, 7003258910, 10504888365, 21009776730]

約数ペア:

[(1, 21009776730), (2, 10504888365), (3, 7003258910), (5, 4201955346), (6, 3501629455), (10, 2100977673), (15, 1400651782), (30, 700325891), (4969, 4228170), (9938, 2114085), (14907, 1409390), (24845, 845634), (29814, 704695), (49690, 422817), (74535, 281878), (140939, 149070)]