21323750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{2437}}^1$

素因数の和:2466

約数の個数: 40

約数和(自身を含む): 45697872

約数和(自身を除く): 24374122

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 625, 875, 1250, 1750, 2437, 4375, 4874, 8750, 12185, 17059, 24370, 34118, 60925, 85295, 121850, 170590, 304625, 426475, 609250, 852950, 1523125, 2132375, 3046250, 4264750, 10661875, 21323750]

約数ペア:

[(1, 21323750), (2, 10661875), (5, 4264750), (7, 3046250), (10, 2132375), (14, 1523125), (25, 852950), (35, 609250), (50, 426475), (70, 304625), (125, 170590), (175, 121850), (250, 85295), (350, 60925), (625, 34118), (875, 24370), (1250, 17059), (1750, 12185), (2437, 8750), (4375, 4874)]