21940830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{243787}}^1$

素因数の和:243800

約数の個数: 24

約数和(自身を含む): 57046392

約数和(自身を除く): 35105562

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 243787, 487574, 731361, 1218935, 1462722, 2194083, 2437870, 3656805, 4388166, 7313610, 10970415, 21940830]

約数ペア:

[(1, 21940830), (2, 10970415), (3, 7313610), (5, 4388166), (6, 3656805), (9, 2437870), (10, 2194083), (15, 1462722), (18, 1218935), (30, 731361), (45, 487574), (90, 243787)]