21733620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15749}}^1$

素因数の和:15784

約数の個数: 48

約数和(自身を含む): 63504000

約数和(自身を除く): 41770380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15749, 31498, 47247, 62996, 78745, 94494, 157490, 188988, 236235, 314980, 362227, 472470, 724454, 944940, 1086681, 1448908, 1811135, 2173362, 3622270, 4346724, 5433405, 7244540, 10866810, 21733620]

約数ペア:

[(1, 21733620), (2, 10866810), (3, 7244540), (4, 5433405), (5, 4346724), (6, 3622270), (10, 2173362), (12, 1811135), (15, 1448908), (20, 1086681), (23, 944940), (30, 724454), (46, 472470), (60, 362227), (69, 314980), (92, 236235), (115, 188988), (138, 157490), (230, 94494), (276, 78745), (345, 62996), (460, 47247), (690, 31498), (1380, 15749)]