21200475

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{4219}}^1$

素因数の和:4299

約数の個数: 24

約数和(自身を含む): 35583040

約数和(自身を除く): 14382565

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 1005, 1675, 4219, 5025, 12657, 21095, 63285, 105475, 282673, 316425, 848019, 1413365, 4240095, 7066825, 21200475]

約数ペア:

[(1, 21200475), (3, 7066825), (5, 4240095), (15, 1413365), (25, 848019), (67, 316425), (75, 282673), (201, 105475), (335, 63285), (1005, 21095), (1675, 12657), (4219, 5025)]