21506544

素因数分解:

$2^4\times 3^2\times {\mathrm{149351}}^1$

素因数の和:149365

約数の個数: 30

約数和(自身を含む): 60188856

約数和(自身を除く): 38682312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 149351, 298702, 448053, 597404, 896106, 1194808, 1344159, 1792212, 2389616, 2688318, 3584424, 5376636, 7168848, 10753272, 21506544]

約数ペア:

[(1, 21506544), (2, 10753272), (3, 7168848), (4, 5376636), (6, 3584424), (8, 2688318), (9, 2389616), (12, 1792212), (16, 1344159), (18, 1194808), (24, 896106), (36, 597404), (48, 448053), (72, 298702), (144, 149351)]